*
* Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>
* Copyright (C) 2006 Fabrice Bellard
+ * Copyright (C) 2009 Red Hat, Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* THE SOFTWARE.
*/
-#include "qemu-common.h"
-#include "console.h"
+#include "vnc.h"
#include "sysemu.h"
#include "qemu_socket.h"
#include "qemu-timer.h"
-#include "audio/audio.h"
-#include <zlib.h>
+#include "acl.h"
+#include "qemu-objects.h"
-#define VNC_REFRESH_INTERVAL (1000 / 30)
+#define VNC_REFRESH_INTERVAL_BASE 30
+#define VNC_REFRESH_INTERVAL_INC 50
+#define VNC_REFRESH_INTERVAL_MAX 2000
-#include "vnc.h"
#include "vnc_keysym.h"
-#include "keymaps.c"
#include "d3des.h"
-#ifdef CONFIG_VNC_TLS
-#include <gnutls/gnutls.h>
-#include <gnutls/x509.h>
-#endif /* CONFIG_VNC_TLS */
-
-// #define _VNC_DEBUG 1
-
-#ifdef _VNC_DEBUG
-#define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
-
-#if defined(CONFIG_VNC_TLS) && _VNC_DEBUG >= 2
-/* Very verbose, so only enabled for _VNC_DEBUG >= 2 */
-static void vnc_debug_gnutls_log(int level, const char* str) {
- VNC_DEBUG("%d %s", level, str);
-}
-#endif /* CONFIG_VNC_TLS && _VNC_DEBUG */
-#else
-#define VNC_DEBUG(fmt, ...) do { } while (0)
-#endif
-
#define count_bits(c, v) { \
for (c = 0; v; v >>= 1) \
{ \
} \
}
-typedef struct Buffer
-{
- size_t capacity;
- size_t offset;
- uint8_t *buffer;
-} Buffer;
-typedef struct VncState VncState;
+static VncDisplay *vnc_display; /* needed for info vnc */
+static DisplayChangeListener *dcl;
+
+static int vnc_cursor_define(VncState *vs);
+
+static char *addr_to_string(const char *format,
+ struct sockaddr_storage *sa,
+ socklen_t salen) {
+ char *addr;
+ char host[NI_MAXHOST];
+ char serv[NI_MAXSERV];
+ int err;
+ size_t addrlen;
+
+ if ((err = getnameinfo((struct sockaddr *)sa, salen,
+ host, sizeof(host),
+ serv, sizeof(serv),
+ NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
+ VNC_DEBUG("Cannot resolve address %d: %s\n",
+ err, gai_strerror(err));
+ return NULL;
+ }
+
+ /* Enough for the existing format + the 2 vars we're
+ * substituting in. */
+ addrlen = strlen(format) + strlen(host) + strlen(serv);
+ addr = qemu_malloc(addrlen + 1);
+ snprintf(addr, addrlen, format, host, serv);
+ addr[addrlen] = '\0';
+
+ return addr;
+}
+
+
+char *vnc_socket_local_addr(const char *format, int fd) {
+ struct sockaddr_storage sa;
+ socklen_t salen;
+
+ salen = sizeof(sa);
+ if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0)
+ return NULL;
-typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len);
+ return addr_to_string(format, &sa, salen);
+}
+
+char *vnc_socket_remote_addr(const char *format, int fd) {
+ struct sockaddr_storage sa;
+ socklen_t salen;
+
+ salen = sizeof(sa);
+ if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0)
+ return NULL;
-typedef void VncWritePixels(VncState *vs, void *data, int size);
+ return addr_to_string(format, &sa, salen);
+}
-typedef void VncSendHextileTile(VncState *vs,
- int x, int y, int w, int h,
- void *last_bg,
- void *last_fg,
- int *has_bg, int *has_fg);
+static int put_addr_qdict(QDict *qdict, struct sockaddr_storage *sa,
+ socklen_t salen)
+{
+ char host[NI_MAXHOST];
+ char serv[NI_MAXSERV];
+ int err;
-#define VNC_MAX_WIDTH 2048
-#define VNC_MAX_HEIGHT 2048
-#define VNC_DIRTY_WORDS (VNC_MAX_WIDTH / (16 * 32))
+ if ((err = getnameinfo((struct sockaddr *)sa, salen,
+ host, sizeof(host),
+ serv, sizeof(serv),
+ NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
+ VNC_DEBUG("Cannot resolve address %d: %s\n",
+ err, gai_strerror(err));
+ return -1;
+ }
-#define VNC_AUTH_CHALLENGE_SIZE 16
+ qdict_put(qdict, "host", qstring_from_str(host));
+ qdict_put(qdict, "service", qstring_from_str(serv));
+ qdict_put(qdict, "family",qstring_from_str(inet_strfamily(sa->ss_family)));
-typedef struct VncDisplay VncDisplay;
+ return 0;
+}
-struct VncDisplay
+static int vnc_server_addr_put(QDict *qdict, int fd)
{
- int lsock;
- DisplayState *ds;
- VncState *clients;
- kbd_layout_t *kbd_layout;
+ struct sockaddr_storage sa;
+ socklen_t salen;
- char *display;
- char *password;
- int auth;
-#ifdef CONFIG_VNC_TLS
- int subauth;
- int x509verify;
+ salen = sizeof(sa);
+ if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) {
+ return -1;
+ }
- char *x509cacert;
- char *x509cacrl;
- char *x509cert;
- char *x509key;
+ return put_addr_qdict(qdict, &sa, salen);
+}
+
+static int vnc_qdict_remote_addr(QDict *qdict, int fd)
+{
+ struct sockaddr_storage sa;
+ socklen_t salen;
+
+ salen = sizeof(sa);
+ if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) {
+ return -1;
+ }
+
+ return put_addr_qdict(qdict, &sa, salen);
+}
+
+static const char *vnc_auth_name(VncDisplay *vd) {
+ switch (vd->auth) {
+ case VNC_AUTH_INVALID:
+ return "invalid";
+ case VNC_AUTH_NONE:
+ return "none";
+ case VNC_AUTH_VNC:
+ return "vnc";
+ case VNC_AUTH_RA2:
+ return "ra2";
+ case VNC_AUTH_RA2NE:
+ return "ra2ne";
+ case VNC_AUTH_TIGHT:
+ return "tight";
+ case VNC_AUTH_ULTRA:
+ return "ultra";
+ case VNC_AUTH_TLS:
+ return "tls";
+ case VNC_AUTH_VENCRYPT:
+#ifdef CONFIG_VNC_TLS
+ switch (vd->subauth) {
+ case VNC_AUTH_VENCRYPT_PLAIN:
+ return "vencrypt+plain";
+ case VNC_AUTH_VENCRYPT_TLSNONE:
+ return "vencrypt+tls+none";
+ case VNC_AUTH_VENCRYPT_TLSVNC:
+ return "vencrypt+tls+vnc";
+ case VNC_AUTH_VENCRYPT_TLSPLAIN:
+ return "vencrypt+tls+plain";
+ case VNC_AUTH_VENCRYPT_X509NONE:
+ return "vencrypt+x509+none";
+ case VNC_AUTH_VENCRYPT_X509VNC:
+ return "vencrypt+x509+vnc";
+ case VNC_AUTH_VENCRYPT_X509PLAIN:
+ return "vencrypt+x509+plain";
+ case VNC_AUTH_VENCRYPT_TLSSASL:
+ return "vencrypt+tls+sasl";
+ case VNC_AUTH_VENCRYPT_X509SASL:
+ return "vencrypt+x509+sasl";
+ default:
+ return "vencrypt";
+ }
+#else
+ return "vencrypt";
#endif
-};
+ case VNC_AUTH_SASL:
+ return "sasl";
+ }
+ return "unknown";
+}
-struct VncState
+static int vnc_server_info_put(QDict *qdict)
{
- QEMUTimer *timer;
- int csock;
- DisplayState *ds;
- VncDisplay *vd;
- int need_update;
- uint32_t dirty_row[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS];
- char *old_data;
- uint32_t features;
- int absolute;
- int last_x;
- int last_y;
+ if (vnc_server_addr_put(qdict, vnc_display->lsock) < 0) {
+ return -1;
+ }
+
+ qdict_put(qdict, "auth", qstring_from_str(vnc_auth_name(vnc_display)));
+ return 0;
+}
- uint32_t vnc_encoding;
- uint8_t tight_quality;
- uint8_t tight_compression;
+static void vnc_client_cache_auth(VncState *client)
+{
+ QDict *qdict;
- int major;
- int minor;
+ if (!client->info) {
+ return;
+ }
- char challenge[VNC_AUTH_CHALLENGE_SIZE];
+ qdict = qobject_to_qdict(client->info);
#ifdef CONFIG_VNC_TLS
- int wiremode;
- gnutls_session_t tls_session;
+ if (client->tls.session &&
+ client->tls.dname) {
+ qdict_put(qdict, "x509_dname", qstring_from_str(client->tls.dname));
+ }
+#endif
+#ifdef CONFIG_VNC_SASL
+ if (client->sasl.conn &&
+ client->sasl.username) {
+ qdict_put(qdict, "sasl_username",
+ qstring_from_str(client->sasl.username));
+ }
#endif
+}
- Buffer output;
- Buffer input;
- /* current output mode information */
- VncWritePixels *write_pixels;
- VncSendHextileTile *send_hextile_tile;
- DisplaySurface clientds, serverds;
+static void vnc_client_cache_addr(VncState *client)
+{
+ QDict *qdict;
- CaptureVoiceOut *audio_cap;
- struct audsettings as;
+ qdict = qdict_new();
+ if (vnc_qdict_remote_addr(qdict, client->csock) < 0) {
+ QDECREF(qdict);
+ /* XXX: how to report the error? */
+ return;
+ }
- VncReadEvent *read_handler;
- size_t read_handler_expect;
- /* input */
- uint8_t modifiers_state[256];
+ client->info = QOBJECT(qdict);
+}
- Buffer zlib;
- Buffer zlib_tmp;
- z_stream zlib_stream[4];
+static void vnc_qmp_event(VncState *vs, MonitorEvent event)
+{
+ QDict *server;
+ QObject *data;
- VncState *next;
-};
+ if (!vs->info) {
+ return;
+ }
-static VncDisplay *vnc_display; /* needed for info vnc */
-static DisplayChangeListener *dcl;
+ server = qdict_new();
+ if (vnc_server_info_put(server) < 0) {
+ QDECREF(server);
+ return;
+ }
-void do_info_vnc(void)
+ data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
+ vs->info, QOBJECT(server));
+
+ monitor_protocol_event(event, data);
+
+ qobject_incref(vs->info);
+ qobject_decref(data);
+}
+
+static void info_vnc_iter(QObject *obj, void *opaque)
+{
+ QDict *client;
+ Monitor *mon = opaque;
+
+ client = qobject_to_qdict(obj);
+ monitor_printf(mon, "Client:\n");
+ monitor_printf(mon, " address: %s:%s\n",
+ qdict_get_str(client, "host"),
+ qdict_get_str(client, "service"));
+
+#ifdef CONFIG_VNC_TLS
+ monitor_printf(mon, " x509_dname: %s\n",
+ qdict_haskey(client, "x509_dname") ?
+ qdict_get_str(client, "x509_dname") : "none");
+#endif
+#ifdef CONFIG_VNC_SASL
+ monitor_printf(mon, " username: %s\n",
+ qdict_haskey(client, "sasl_username") ?
+ qdict_get_str(client, "sasl_username") : "none");
+#endif
+}
+
+void do_info_vnc_print(Monitor *mon, const QObject *data)
{
- if (vnc_display == NULL || vnc_display->display == NULL)
- term_printf("VNC server disabled\n");
- else {
- term_printf("VNC server active on: ");
- term_print_filename(vnc_display->display);
- term_printf("\n");
+ QDict *server;
+ QList *clients;
- if (vnc_display->clients == NULL)
- term_printf("No client connected\n");
- else
- term_printf("Client connected\n");
+ server = qobject_to_qdict(data);
+ if (qdict_get_bool(server, "enabled") == 0) {
+ monitor_printf(mon, "Server: disabled\n");
+ return;
+ }
+
+ monitor_printf(mon, "Server:\n");
+ monitor_printf(mon, " address: %s:%s\n",
+ qdict_get_str(server, "host"),
+ qdict_get_str(server, "service"));
+ monitor_printf(mon, " auth: %s\n", qdict_get_str(server, "auth"));
+
+ clients = qdict_get_qlist(server, "clients");
+ if (qlist_empty(clients)) {
+ monitor_printf(mon, "Client: none\n");
+ } else {
+ qlist_iter(clients, info_vnc_iter, mon);
+ }
+}
+
+void do_info_vnc(Monitor *mon, QObject **ret_data)
+{
+ if (vnc_display == NULL || vnc_display->display == NULL) {
+ *ret_data = qobject_from_jsonf("{ 'enabled': false }");
+ } else {
+ QList *clist;
+ VncState *client;
+
+ clist = qlist_new();
+ QTAILQ_FOREACH(client, &vnc_display->clients, next) {
+ if (client->info) {
+ /* incref so that it's not freed by upper layers */
+ qobject_incref(client->info);
+ qlist_append_obj(clist, client->info);
+ }
+ }
+
+ *ret_data = qobject_from_jsonf("{ 'enabled': true, 'clients': %p }",
+ QOBJECT(clist));
+ assert(*ret_data != NULL);
+
+ if (vnc_server_info_put(qobject_to_qdict(*ret_data)) < 0) {
+ qobject_decref(*ret_data);
+ *ret_data = NULL;
+ }
}
}
3) resolutions > 1024
*/
-static void vnc_write(VncState *vs, const void *data, size_t len);
-static void vnc_write_u32(VncState *vs, uint32_t value);
-static void vnc_write_s32(VncState *vs, int32_t value);
-static void vnc_write_u16(VncState *vs, uint16_t value);
-static void vnc_write_u8(VncState *vs, uint8_t value);
-static void vnc_flush(VncState *vs);
-static void vnc_update_client(void *opaque);
-static void vnc_client_read(void *opaque);
+static int vnc_update_client(VncState *vs, int has_dirty);
+static void vnc_disconnect_start(VncState *vs);
+static void vnc_disconnect_finish(VncState *vs);
+static void vnc_init_timer(VncDisplay *vd);
+static void vnc_remove_timer(VncDisplay *vd);
static void vnc_colordepth(VncState *vs);
+static void framebuffer_update_request(VncState *vs, int incremental,
+ int x_position, int y_position,
+ int w, int h);
+static void vnc_refresh(void *opaque);
+static int vnc_refresh_server_surface(VncDisplay *vd);
static inline void vnc_set_bit(uint32_t *d, int k)
{
return 0;
}
-static void vnc_update(VncState *vs, int x, int y, int w, int h)
+static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h)
{
int i;
+ VncDisplay *vd = ds->opaque;
+ struct VncSurface *s = &vd->guest;
h += y;
w += (x % 16);
x -= (x % 16);
- x = MIN(x, vs->serverds.width);
- y = MIN(y, vs->serverds.height);
- w = MIN(x + w, vs->serverds.width) - x;
- h = MIN(h, vs->serverds.height);
+ x = MIN(x, s->ds->width);
+ y = MIN(y, s->ds->height);
+ w = MIN(x + w, s->ds->width) - x;
+ h = MIN(h, s->ds->height);
for (; y < h; y++)
- for (i = 0; i < w; i += 16)
- vnc_set_bit(vs->dirty_row[y], (x + i) / 16);
-}
-
-static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h)
-{
- VncDisplay *vd = ds->opaque;
- VncState *vs = vd->clients;
- while (vs != NULL) {
- vnc_update(vs, x, y, w, h);
- vs = vs->next;
- }
+ for (i = 0; i < w; i += 16)
+ vnc_set_bit(s->dirty[y], (x + i) / 16);
}
-static void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h,
- int32_t encoding)
+void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h,
+ int32_t encoding)
{
vnc_write_u16(vs, x);
vnc_write_u16(vs, y);
vnc_write_s32(vs, encoding);
}
-static void buffer_reserve(Buffer *buffer, size_t len)
+void buffer_reserve(Buffer *buffer, size_t len)
{
if ((buffer->capacity - buffer->offset) < len) {
- buffer->capacity += (len + 1024);
- buffer->buffer = qemu_realloc(buffer->buffer, buffer->capacity);
- if (buffer->buffer == NULL) {
- fprintf(stderr, "vnc: out of memory\n");
- exit(1);
- }
+ buffer->capacity += (len + 1024);
+ buffer->buffer = qemu_realloc(buffer->buffer, buffer->capacity);
+ if (buffer->buffer == NULL) {
+ fprintf(stderr, "vnc: out of memory\n");
+ exit(1);
+ }
}
}
-static int buffer_empty(Buffer *buffer)
+int buffer_empty(Buffer *buffer)
{
return buffer->offset == 0;
}
-static uint8_t *buffer_end(Buffer *buffer)
+uint8_t *buffer_end(Buffer *buffer)
{
return buffer->buffer + buffer->offset;
}
-static void buffer_reset(Buffer *buffer)
+void buffer_reset(Buffer *buffer)
+{
+ buffer->offset = 0;
+}
+
+void buffer_free(Buffer *buffer)
{
- buffer->offset = 0;
+ qemu_free(buffer->buffer);
+ buffer->offset = 0;
+ buffer->capacity = 0;
+ buffer->buffer = NULL;
}
-static void buffer_append(Buffer *buffer, const void *data, size_t len)
+void buffer_append(Buffer *buffer, const void *data, size_t len)
{
memcpy(buffer->buffer + buffer->offset, data, len);
buffer->offset += len;
}
-static void vnc_resize(VncState *vs)
+static void vnc_desktop_resize(VncState *vs)
{
DisplayState *ds = vs->ds;
- int size_changed;
-
- vs->old_data = qemu_realloc(vs->old_data, ds_get_linesize(ds) * ds_get_height(ds));
-
- if (vs->old_data == NULL) {
- fprintf(stderr, "vnc: memory allocation failed\n");
- exit(1);
+ if (vs->csock == -1 || !vnc_has_feature(vs, VNC_FEATURE_RESIZE)) {
+ return;
}
-
- if (ds_get_bytes_per_pixel(ds) != vs->serverds.pf.bytes_per_pixel)
- console_color_init(ds);
- vnc_colordepth(vs);
- size_changed = ds_get_width(ds) != vs->serverds.width ||
- ds_get_height(ds) != vs->serverds.height;
- vs->serverds = *(ds->surface);
- if (size_changed) {
- if (vs->csock != -1 && vnc_has_feature(vs, VNC_FEATURE_RESIZE)) {
- vnc_write_u8(vs, 0); /* msg id */
- vnc_write_u8(vs, 0);
- vnc_write_u16(vs, 1); /* number of rects */
- vnc_framebuffer_update(vs, 0, 0, ds_get_width(ds), ds_get_height(ds),
- VNC_ENCODING_DESKTOPRESIZE);
- vnc_flush(vs);
- }
+ if (vs->client_width == ds_get_width(ds) &&
+ vs->client_height == ds_get_height(ds)) {
+ return;
}
-
- memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
- memset(vs->old_data, 42, ds_get_linesize(vs->ds) * ds_get_height(vs->ds));
+ vs->client_width = ds_get_width(ds);
+ vs->client_height = ds_get_height(ds);
+ vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
+ vnc_write_u8(vs, 0);
+ vnc_write_u16(vs, 1); /* number of rects */
+ vnc_framebuffer_update(vs, 0, 0, vs->client_width, vs->client_height,
+ VNC_ENCODING_DESKTOPRESIZE);
+ vnc_flush(vs);
}
static void vnc_dpy_resize(DisplayState *ds)
{
VncDisplay *vd = ds->opaque;
- VncState *vs = vd->clients;
- while (vs != NULL) {
- vnc_resize(vs);
- vs = vs->next;
+ VncState *vs;
+
+ /* server surface */
+ if (!vd->server)
+ vd->server = qemu_mallocz(sizeof(*vd->server));
+ if (vd->server->data)
+ qemu_free(vd->server->data);
+ *(vd->server) = *(ds->surface);
+ vd->server->data = qemu_mallocz(vd->server->linesize *
+ vd->server->height);
+
+ /* guest surface */
+ if (!vd->guest.ds)
+ vd->guest.ds = qemu_mallocz(sizeof(*vd->guest.ds));
+ if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel)
+ console_color_init(ds);
+ *(vd->guest.ds) = *(ds->surface);
+ memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty));
+
+ QTAILQ_FOREACH(vs, &vd->clients, next) {
+ vnc_colordepth(vs);
+ vnc_desktop_resize(vs);
+ if (vs->vd->cursor) {
+ vnc_cursor_define(vs);
+ }
+ memset(vs->dirty, 0xFF, sizeof(vs->dirty));
}
}
/* fastest code */
-static void vnc_write_pixels_copy(VncState *vs, void *pixels, int size)
+static void vnc_write_pixels_copy(VncState *vs, struct PixelFormat *pf,
+ void *pixels, int size)
{
vnc_write(vs, pixels, size);
}
/* slowest but generic code. */
-static void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v)
+void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v)
{
uint8_t r, g, b;
-
- r = ((((v & vs->serverds.pf.rmask) >> vs->serverds.pf.rshift) << vs->clientds.pf.rbits) >>
- vs->serverds.pf.rbits);
- g = ((((v & vs->serverds.pf.gmask) >> vs->serverds.pf.gshift) << vs->clientds.pf.gbits) >>
- vs->serverds.pf.gbits);
- b = ((((v & vs->serverds.pf.bmask) >> vs->serverds.pf.bshift) << vs->clientds.pf.bbits) >>
- vs->serverds.pf.bbits);
+ VncDisplay *vd = vs->vd;
+
+ r = ((((v & vd->server->pf.rmask) >> vd->server->pf.rshift) << vs->clientds.pf.rbits) >>
+ vd->server->pf.rbits);
+ g = ((((v & vd->server->pf.gmask) >> vd->server->pf.gshift) << vs->clientds.pf.gbits) >>
+ vd->server->pf.gbits);
+ b = ((((v & vd->server->pf.bmask) >> vd->server->pf.bshift) << vs->clientds.pf.bbits) >>
+ vd->server->pf.bbits);
v = (r << vs->clientds.pf.rshift) |
(g << vs->clientds.pf.gshift) |
(b << vs->clientds.pf.bshift);
}
}
-static void vnc_write_pixels_generic(VncState *vs, void *pixels1, int size)
+static void vnc_write_pixels_generic(VncState *vs, struct PixelFormat *pf,
+ void *pixels1, int size)
{
uint8_t buf[4];
- if (vs->serverds.pf.bytes_per_pixel == 4) {
+ if (pf->bytes_per_pixel == 4) {
uint32_t *pixels = pixels1;
int n, i;
n = size >> 2;
vnc_convert_pixel(vs, buf, pixels[i]);
vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel);
}
- } else if (vs->serverds.pf.bytes_per_pixel == 2) {
+ } else if (pf->bytes_per_pixel == 2) {
uint16_t *pixels = pixels1;
int n, i;
n = size >> 1;
vnc_convert_pixel(vs, buf, pixels[i]);
vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel);
}
- } else if (vs->serverds.pf.bytes_per_pixel == 1) {
+ } else if (pf->bytes_per_pixel == 1) {
uint8_t *pixels = pixels1;
int n, i;
n = size;
}
}
-static void send_framebuffer_update_raw(VncState *vs, int x, int y, int w, int h)
+int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
{
int i;
uint8_t *row;
+ VncDisplay *vd = vs->vd;
- row = ds_get_data(vs->ds) + y * ds_get_linesize(vs->ds) + x * ds_get_bytes_per_pixel(vs->ds);
+ row = vd->server->data + y * ds_get_linesize(vs->ds) + x * ds_get_bytes_per_pixel(vs->ds);
for (i = 0; i < h; i++) {
- vs->write_pixels(vs, row, w * ds_get_bytes_per_pixel(vs->ds));
- row += ds_get_linesize(vs->ds);
+ vs->write_pixels(vs, &vd->server->pf, row, w * ds_get_bytes_per_pixel(vs->ds));
+ row += ds_get_linesize(vs->ds);
}
+ return 1;
}
-static void hextile_enc_cord(uint8_t *ptr, int x, int y, int w, int h)
+static int send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
{
- ptr[0] = ((x & 0x0F) << 4) | (y & 0x0F);
- ptr[1] = (((w - 1) & 0x0F) << 4) | ((h - 1) & 0x0F);
-}
-
-#define BPP 8
-#include "vnchextile.h"
-#undef BPP
-
-#define BPP 16
-#include "vnchextile.h"
-#undef BPP
+ int n = 0;
-#define BPP 32
-#include "vnchextile.h"
-#undef BPP
-
-#define GENERIC
-#define BPP 8
-#include "vnchextile.h"
-#undef BPP
-#undef GENERIC
-
-#define GENERIC
-#define BPP 16
-#include "vnchextile.h"
-#undef BPP
-#undef GENERIC
-
-#define GENERIC
-#define BPP 32
-#include "vnchextile.h"
-#undef BPP
-#undef GENERIC
-
-static void send_framebuffer_update_hextile(VncState *vs, int x, int y, int w, int h)
-{
- int i, j;
- int has_fg, has_bg;
- uint8_t *last_fg, *last_bg;
-
- last_fg = (uint8_t *) qemu_malloc(vs->serverds.pf.bytes_per_pixel);
- last_bg = (uint8_t *) qemu_malloc(vs->serverds.pf.bytes_per_pixel);
- has_fg = has_bg = 0;
- for (j = y; j < (y + h); j += 16) {
- for (i = x; i < (x + w); i += 16) {
- vs->send_hextile_tile(vs, i, j,
- MIN(16, x + w - i), MIN(16, y + h - j),
- last_bg, last_fg, &has_bg, &has_fg);
- }
+ switch(vs->vnc_encoding) {
+ case VNC_ENCODING_ZLIB:
+ n = vnc_zlib_send_framebuffer_update(vs, x, y, w, h);
+ break;
+ case VNC_ENCODING_HEXTILE:
+ vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE);
+ n = vnc_hextile_send_framebuffer_update(vs, x, y, w, h);
+ break;
+ case VNC_ENCODING_TIGHT:
+ n = vnc_tight_send_framebuffer_update(vs, x, y, w, h);
+ break;
+ default:
+ vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
+ n = vnc_raw_send_framebuffer_update(vs, x, y, w, h);
+ break;
}
- free(last_fg);
- free(last_bg);
-
-}
-
-static void vnc_zlib_init(VncState *vs)
-{
- int i;
- for (i=0; i<(sizeof(vs->zlib_stream) / sizeof(z_stream)); i++)
- vs->zlib_stream[i].opaque = NULL;
+ return n;
}
-static void vnc_zlib_start(VncState *vs)
+static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
{
- buffer_reset(&vs->zlib);
-
- // make the output buffer be the zlib buffer, so we can compress it later
- vs->zlib_tmp = vs->output;
- vs->output = vs->zlib;
+ /* send bitblit op to the vnc client */
+ vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
+ vnc_write_u8(vs, 0);
+ vnc_write_u16(vs, 1); /* number of rects */
+ vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT);
+ vnc_write_u16(vs, src_x);
+ vnc_write_u16(vs, src_y);
+ vnc_flush(vs);
}
-static int vnc_zlib_stop(VncState *vs, int stream_id)
+static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
{
- z_streamp zstream = &vs->zlib_stream[stream_id];
- int previous_out;
-
- // switch back to normal output/zlib buffers
- vs->zlib = vs->output;
- vs->output = vs->zlib_tmp;
-
- // compress the zlib buffer
-
- // initialize the stream
- // XXX need one stream per session
- if (zstream->opaque != vs) {
- int err;
-
- VNC_DEBUG("VNC: initializing zlib stream %d\n", stream_id);
- VNC_DEBUG("VNC: opaque = %p | vs = %p\n", zstream->opaque, vs);
- zstream->zalloc = Z_NULL;
- zstream->zfree = Z_NULL;
-
- err = deflateInit2(zstream, vs->tight_compression, Z_DEFLATED, MAX_WBITS,
- MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY);
-
- if (err != Z_OK) {
- fprintf(stderr, "VNC: error initializing zlib\n");
- return -1;
+ VncDisplay *vd = ds->opaque;
+ VncState *vs, *vn;
+ uint8_t *src_row;
+ uint8_t *dst_row;
+ int i,x,y,pitch,depth,inc,w_lim,s;
+ int cmp_bytes;
+
+ vnc_refresh_server_surface(vd);
+ QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) {
+ if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
+ vs->force_update = 1;
+ vnc_update_client(vs, 1);
+ /* vs might be free()ed here */
}
-
- zstream->opaque = vs;
}
- // XXX what to do if tight_compression changed in between?
-
- // reserve memory in output buffer
- buffer_reserve(&vs->output, vs->zlib.offset + 64);
-
- // set pointers
- zstream->next_in = vs->zlib.buffer;
- zstream->avail_in = vs->zlib.offset;
- zstream->next_out = vs->output.buffer + vs->output.offset;
- zstream->avail_out = vs->output.capacity - vs->output.offset;
- zstream->data_type = Z_BINARY;
- previous_out = zstream->total_out;
-
- // start encoding
- if (deflate(zstream, Z_SYNC_FLUSH) != Z_OK) {
- fprintf(stderr, "VNC: error during zlib compression\n");
- return -1;
+ /* do bitblit op on the local surface too */
+ pitch = ds_get_linesize(vd->ds);
+ depth = ds_get_bytes_per_pixel(vd->ds);
+ src_row = vd->server->data + pitch * src_y + depth * src_x;
+ dst_row = vd->server->data + pitch * dst_y + depth * dst_x;
+ y = dst_y;
+ inc = 1;
+ if (dst_y > src_y) {
+ /* copy backwards */
+ src_row += pitch * (h-1);
+ dst_row += pitch * (h-1);
+ pitch = -pitch;
+ y = dst_y + h - 1;
+ inc = -1;
+ }
+ w_lim = w - (16 - (dst_x % 16));
+ if (w_lim < 0)
+ w_lim = w;
+ else
+ w_lim = w - (w_lim % 16);
+ for (i = 0; i < h; i++) {
+ for (x = 0; x <= w_lim;
+ x += s, src_row += cmp_bytes, dst_row += cmp_bytes) {
+ if (x == w_lim) {
+ if ((s = w - w_lim) == 0)
+ break;
+ } else if (!x) {
+ s = (16 - (dst_x % 16));
+ s = MIN(s, w_lim);
+ } else {
+ s = 16;
+ }
+ cmp_bytes = s * depth;
+ if (memcmp(src_row, dst_row, cmp_bytes) == 0)
+ continue;
+ memmove(dst_row, src_row, cmp_bytes);
+ QTAILQ_FOREACH(vs, &vd->clients, next) {
+ if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
+ vnc_set_bit(vs->dirty[y], ((x + dst_x) / 16));
+ }
+ }
+ }
+ src_row += pitch - w * depth;
+ dst_row += pitch - w * depth;
+ y += inc;
}
- vs->output.offset = vs->output.capacity - zstream->avail_out;
- return zstream->total_out - previous_out;
+ QTAILQ_FOREACH(vs, &vd->clients, next) {
+ if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
+ vnc_copy(vs, src_x, src_y, dst_x, dst_y, w, h);
+ }
+ }
}
-static void send_framebuffer_update_zlib(VncState *vs, int x, int y, int w, int h)
+static void vnc_mouse_set(int x, int y, int visible)
{
- int old_offset, new_offset, bytes_written;
-
- vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_ZLIB);
-
- // remember where we put in the follow-up size
- old_offset = vs->output.offset;
- vnc_write_s32(vs, 0);
-
- // compress the stream
- vnc_zlib_start(vs);
- send_framebuffer_update_raw(vs, x, y, w, h);
- bytes_written = vnc_zlib_stop(vs, 0);
-
- if (bytes_written == -1)
- return;
-
- // hack in the size
- new_offset = vs->output.offset;
- vs->output.offset = old_offset;
- vnc_write_u32(vs, bytes_written);
- vs->output.offset = new_offset;
+ /* can we ask the client(s) to move the pointer ??? */
}
-static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
+static int vnc_cursor_define(VncState *vs)
{
- switch(vs->vnc_encoding) {
- case VNC_ENCODING_ZLIB:
- send_framebuffer_update_zlib(vs, x, y, w, h);
- break;
- case VNC_ENCODING_HEXTILE:
- vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE);
- send_framebuffer_update_hextile(vs, x, y, w, h);
- break;
- default:
- vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
- send_framebuffer_update_raw(vs, x, y, w, h);
- break;
+ QEMUCursor *c = vs->vd->cursor;
+ PixelFormat pf = qemu_default_pixelformat(32);
+ int isize;
+
+ if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) {
+ vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
+ vnc_write_u8(vs, 0); /* padding */
+ vnc_write_u16(vs, 1); /* # of rects */
+ vnc_framebuffer_update(vs, c->hot_x, c->hot_y, c->width, c->height,
+ VNC_ENCODING_RICH_CURSOR);
+ isize = c->width * c->height * vs->clientds.pf.bytes_per_pixel;
+ vnc_write_pixels_generic(vs, &pf, c->data, isize);
+ vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize);
+ return 0;
}
+ return -1;
}
-static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
+static void vnc_dpy_cursor_define(QEMUCursor *c)
{
- vnc_update_client(vs);
+ VncDisplay *vd = vnc_display;
+ VncState *vs;
- vnc_write_u8(vs, 0); /* msg id */
- vnc_write_u8(vs, 0);
- vnc_write_u16(vs, 1); /* number of rects */
- vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT);
- vnc_write_u16(vs, src_x);
- vnc_write_u16(vs, src_y);
- vnc_flush(vs);
-}
+ cursor_put(vd->cursor);
+ qemu_free(vd->cursor_mask);
-static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
-{
- VncDisplay *vd = ds->opaque;
- VncState *vs = vd->clients;
- while (vs != NULL) {
- if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT))
- vnc_copy(vs, src_x, src_y, dst_x, dst_y, w, h);
- else /* TODO */
- vnc_update(vs, dst_x, dst_y, w, h);
- vs = vs->next;
+ vd->cursor = c;
+ cursor_get(vd->cursor);
+ vd->cursor_msize = cursor_get_mono_bpl(c) * c->height;
+ vd->cursor_mask = qemu_mallocz(vd->cursor_msize);
+ cursor_get_mono_mask(c, 0, vd->cursor_mask);
+
+ QTAILQ_FOREACH(vs, &vd->clients, next) {
+ vnc_cursor_define(vs);
}
}
-static int find_dirty_height(VncState *vs, int y, int last_x, int x)
+static int find_and_clear_dirty_height(struct VncState *vs,
+ int y, int last_x, int x)
{
int h;
+ VncDisplay *vd = vs->vd;
- for (h = 1; h < (vs->serverds.height - y); h++) {
- int tmp_x;
- if (!vnc_get_bit(vs->dirty_row[y + h], last_x))
- break;
- for (tmp_x = last_x; tmp_x < x; tmp_x++)
- vnc_clear_bit(vs->dirty_row[y + h], tmp_x);
+ for (h = 1; h < (vd->server->height - y); h++) {
+ int tmp_x;
+ if (!vnc_get_bit(vs->dirty[y + h], last_x))
+ break;
+ for (tmp_x = last_x; tmp_x < x; tmp_x++)
+ vnc_clear_bit(vs->dirty[y + h], tmp_x);
}
return h;
}
-static void vnc_update_client(void *opaque)
+static int vnc_update_client(VncState *vs, int has_dirty)
{
- VncState *vs = opaque;
if (vs->need_update && vs->csock != -1) {
- int y;
- uint8_t *row;
- char *old_row;
- uint32_t width_mask[VNC_DIRTY_WORDS];
- int n_rectangles;
- int saved_offset;
- int has_dirty = 0;
-
- vga_hw_update();
-
- vnc_set_bits(width_mask, (ds_get_width(vs->ds) / 16), VNC_DIRTY_WORDS);
-
- /* Walk through the dirty map and eliminate tiles that
- really aren't dirty */
- row = ds_get_data(vs->ds);
- old_row = vs->old_data;
-
- for (y = 0; y < ds_get_height(vs->ds); y++) {
- if (vnc_and_bits(vs->dirty_row[y], width_mask, VNC_DIRTY_WORDS)) {
- int x;
- uint8_t *ptr;
- char *old_ptr;
-
- ptr = row;
- old_ptr = (char*)old_row;
-
- for (x = 0; x < ds_get_width(vs->ds); x += 16) {
- if (memcmp(old_ptr, ptr, 16 * ds_get_bytes_per_pixel(vs->ds)) == 0) {
- vnc_clear_bit(vs->dirty_row[y], (x / 16));
- } else {
- has_dirty = 1;
- memcpy(old_ptr, ptr, 16 * ds_get_bytes_per_pixel(vs->ds));
- }
-
- ptr += 16 * ds_get_bytes_per_pixel(vs->ds);
- old_ptr += 16 * ds_get_bytes_per_pixel(vs->ds);
- }
- }
-
- row += ds_get_linesize(vs->ds);
- old_row += ds_get_linesize(vs->ds);
- }
-
- if (!has_dirty && !vs->audio_cap) {
- qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL);
- return;
- }
-
- /* Count rectangles */
- n_rectangles = 0;
- vnc_write_u8(vs, 0); /* msg id */
- vnc_write_u8(vs, 0);
- saved_offset = vs->output.offset;
- vnc_write_u16(vs, 0);
-
- for (y = 0; y < vs->serverds.height; y++) {
- int x;
- int last_x = -1;
- for (x = 0; x < vs->serverds.width / 16; x++) {
- if (vnc_get_bit(vs->dirty_row[y], x)) {
- if (last_x == -1) {
- last_x = x;
- }
- vnc_clear_bit(vs->dirty_row[y], x);
- } else {
- if (last_x != -1) {
- int h = find_dirty_height(vs, y, last_x, x);
- send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h);
- n_rectangles++;
- }
- last_x = -1;
- }
- }
- if (last_x != -1) {
- int h = find_dirty_height(vs, y, last_x, x);
- send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h);
- n_rectangles++;
- }
- }
- vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF;
- vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF;
- vnc_flush(vs);
-
- }
-
- if (vs->csock != -1) {
- qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL);
+ VncDisplay *vd = vs->vd;
+ int y;
+ int n_rectangles;
+ int saved_offset;
+ int width, height;
+ int n;
+
+ if (vs->output.offset && !vs->audio_cap && !vs->force_update)
+ /* kernel send buffers are full -> drop frames to throttle */
+ return 0;
+
+ if (!has_dirty && !vs->audio_cap && !vs->force_update)
+ return 0;
+
+ /*
+ * Send screen updates to the vnc client using the server
+ * surface and server dirty map. guest surface updates
+ * happening in parallel don't disturb us, the next pass will
+ * send them to the client.
+ */
+ n_rectangles = 0;
+ vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
+ vnc_write_u8(vs, 0);
+ saved_offset = vs->output.offset;
+ vnc_write_u16(vs, 0);
+
+ width = MIN(vd->server->width, vs->client_width);
+ height = MIN(vd->server->height, vs->client_height);
+
+ for (y = 0; y < height; y++) {
+ int x;
+ int last_x = -1;
+ for (x = 0; x < width / 16; x++) {
+ if (vnc_get_bit(vs->dirty[y], x)) {
+ if (last_x == -1) {
+ last_x = x;
+ }
+ vnc_clear_bit(vs->dirty[y], x);
+ } else {
+ if (last_x != -1) {
+ int h = find_and_clear_dirty_height(vs, y, last_x, x);
+ n = send_framebuffer_update(vs, last_x * 16, y,
+ (x - last_x) * 16, h);
+ n_rectangles += n;
+ }
+ last_x = -1;
+ }
+ }
+ if (last_x != -1) {
+ int h = find_and_clear_dirty_height(vs, y, last_x, x);
+ n = send_framebuffer_update(vs, last_x * 16, y,
+ (x - last_x) * 16, h);
+ n_rectangles += n;
+ }
+ }
+ vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF;
+ vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF;
+ vnc_flush(vs);
+ vs->force_update = 0;
+ return n_rectangles;
}
+ if (vs->csock == -1)
+ vnc_disconnect_finish(vs);
+
+ return 0;
}
/* audio */
switch (cmd) {
case AUD_CNOTIFY_DISABLE:
- vnc_write_u8(vs, 255);
- vnc_write_u8(vs, 1);
- vnc_write_u16(vs, 0);
+ vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
+ vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
+ vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_END);
vnc_flush(vs);
break;
case AUD_CNOTIFY_ENABLE:
- vnc_write_u8(vs, 255);
- vnc_write_u8(vs, 1);
- vnc_write_u16(vs, 1);
+ vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
+ vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
+ vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_BEGIN);
vnc_flush(vs);
break;
}
{
VncState *vs = opaque;
- vnc_write_u8(vs, 255);
- vnc_write_u8(vs, 1);
- vnc_write_u16(vs, 2);
+ vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
+ vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
+ vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_DATA);
vnc_write_u32(vs, size);
vnc_write(vs, buf, size);
vnc_flush(vs);
struct audio_capture_ops ops;
if (vs->audio_cap) {
- term_printf ("audio already running\n");
+ monitor_printf(default_mon, "audio already running\n");
return;
}
ops.destroy = audio_capture_destroy;
ops.capture = audio_capture;
- vs->audio_cap = AUD_add_capture(NULL, &vs->as, &ops, vs);
+ vs->audio_cap = AUD_add_capture(&vs->as, &ops, vs);
if (!vs->audio_cap) {
- term_printf ("Failed to add audio capture\n");
+ monitor_printf(default_mon, "Failed to add audio capture\n");
}
}
}
}
-static int vnc_client_io_error(VncState *vs, int ret, int last_errno)
+static void vnc_disconnect_start(VncState *vs)
+{
+ if (vs->csock == -1)
+ return;
+ qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL);
+ closesocket(vs->csock);
+ vs->csock = -1;
+}
+
+static void vnc_disconnect_finish(VncState *vs)
+{
+ vnc_qmp_event(vs, QEVENT_VNC_DISCONNECTED);
+
+ buffer_free(&vs->input);
+ buffer_free(&vs->output);
+
+ qobject_decref(vs->info);
+
+ vnc_zlib_clear(vs);
+ vnc_tight_clear(vs);
+
+#ifdef CONFIG_VNC_TLS
+ vnc_tls_client_cleanup(vs);
+#endif /* CONFIG_VNC_TLS */
+#ifdef CONFIG_VNC_SASL
+ vnc_sasl_client_cleanup(vs);
+#endif /* CONFIG_VNC_SASL */
+ audio_del(vs);
+
+ QTAILQ_REMOVE(&vs->vd->clients, vs, next);
+
+ if (QTAILQ_EMPTY(&vs->vd->clients)) {
+ dcl->idle = 1;
+ }
+
+ qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier);
+ vnc_remove_timer(vs->vd);
+ if (vs->vd->lock_key_sync)
+ qemu_remove_led_event_handler(vs->led);
+ qemu_free(vs);
+}
+
+int vnc_client_io_error(VncState *vs, int ret, int last_errno)
{
if (ret == 0 || ret == -1) {
if (ret == -1) {
}
}
- VNC_DEBUG("Closing down client sock %d %d\n", ret, ret < 0 ? last_errno : 0);
- qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL);
- closesocket(vs->csock);
- qemu_del_timer(vs->timer);
- qemu_free_timer(vs->timer);
- if (vs->input.buffer) qemu_free(vs->input.buffer);
- if (vs->output.buffer) qemu_free(vs->output.buffer);
-#ifdef CONFIG_VNC_TLS
- if (vs->tls_session) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- }
-#endif /* CONFIG_VNC_TLS */
- audio_del(vs);
-
- VncState *p, *parent = NULL;
- for (p = vs->vd->clients; p != NULL; p = p->next) {
- if (p == vs) {
- if (parent)
- parent->next = p->next;
- else
- vs->vd->clients = p->next;
- break;
- }
- parent = p;
- }
- if (!vs->vd->clients)
- dcl->idle = 1;
+ VNC_DEBUG("Closing down client sock: ret %d, errno %d\n",
+ ret, ret < 0 ? last_errno : 0);
+ vnc_disconnect_start(vs);
- qemu_free(vs->old_data);
- qemu_free(vs);
-
- return 0;
+ return 0;
}
return ret;
}
-static void vnc_client_error(VncState *vs)
+
+void vnc_client_error(VncState *vs)
{
- vnc_client_io_error(vs, -1, EINVAL);
+ VNC_DEBUG("Closing down client sock: protocol error\n");
+ vnc_disconnect_start(vs);
}
-static void vnc_client_write(void *opaque)
+
+/*
+ * Called to write a chunk of data to the client socket. The data may
+ * be the raw data, or may have already been encoded by SASL.
+ * The data will be written either straight onto the socket, or
+ * written via the GNUTLS wrappers, if TLS/SSL encryption is enabled
+ *
+ * NB, it is theoretically possible to have 2 layers of encryption,
+ * both SASL, and this TLS layer. It is highly unlikely in practice
+ * though, since SASL encryption will typically be a no-op if TLS
+ * is active
+ *
+ * Returns the number of bytes written, which may be less than
+ * the requested 'datalen' if the socket would block. Returns
+ * -1 on error, and disconnects the client socket.
+ */
+long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen)
{
long ret;
- VncState *vs = opaque;
-
#ifdef CONFIG_VNC_TLS
- if (vs->tls_session) {
- ret = gnutls_write(vs->tls_session, vs->output.buffer, vs->output.offset);
- if (ret < 0) {
- if (ret == GNUTLS_E_AGAIN)
- errno = EAGAIN;
- else
- errno = EIO;
- ret = -1;
- }
+ if (vs->tls.session) {
+ ret = gnutls_write(vs->tls.session, data, datalen);
+ if (ret < 0) {
+ if (ret == GNUTLS_E_AGAIN)
+ errno = EAGAIN;
+ else
+ errno = EIO;
+ ret = -1;
+ }
} else
#endif /* CONFIG_VNC_TLS */
- ret = send(vs->csock, vs->output.buffer, vs->output.offset, 0);
- ret = vnc_client_io_error(vs, ret, socket_error());
+ ret = send(vs->csock, (const void *)data, datalen, 0);
+ VNC_DEBUG("Wrote wire %p %zd -> %ld\n", data, datalen, ret);
+ return vnc_client_io_error(vs, ret, socket_error());
+}
+
+
+/*
+ * Called to write buffered data to the client socket, when not
+ * using any SASL SSF encryption layers. Will write as much data
+ * as possible without blocking. If all buffered data is written,
+ * will switch the FD poll() handler back to read monitoring.
+ *
+ * Returns the number of bytes written, which may be less than
+ * the buffered output data if the socket would block. Returns
+ * -1 on error, and disconnects the client socket.
+ */
+static long vnc_client_write_plain(VncState *vs)
+{
+ long ret;
+
+#ifdef CONFIG_VNC_SASL
+ VNC_DEBUG("Write Plain: Pending output %p size %zd offset %zd. Wait SSF %d\n",
+ vs->output.buffer, vs->output.capacity, vs->output.offset,
+ vs->sasl.waitWriteSSF);
+
+ if (vs->sasl.conn &&
+ vs->sasl.runSSF &&
+ vs->sasl.waitWriteSSF) {
+ ret = vnc_client_write_buf(vs, vs->output.buffer, vs->sasl.waitWriteSSF);
+ if (ret)
+ vs->sasl.waitWriteSSF -= ret;
+ } else
+#endif /* CONFIG_VNC_SASL */
+ ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset);
if (!ret)
- return;
+ return 0;
memmove(vs->output.buffer, vs->output.buffer + ret, (vs->output.offset - ret));
vs->output.offset -= ret;
if (vs->output.offset == 0) {
- qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
+ qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
}
+
+ return ret;
}
-static void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting)
+
+/*
+ * First function called whenever there is data to be written to
+ * the client socket. Will delegate actual work according to whether
+ * SASL SSF layers are enabled (thus requiring encryption calls)
+ */
+void vnc_client_write(void *opaque)
+{
+ VncState *vs = opaque;
+
+#ifdef CONFIG_VNC_SASL
+ if (vs->sasl.conn &&
+ vs->sasl.runSSF &&
+ !vs->sasl.waitWriteSSF) {
+ vnc_client_write_sasl(vs);
+ } else
+#endif /* CONFIG_VNC_SASL */
+ vnc_client_write_plain(vs);
+}
+
+void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting)
{
vs->read_handler = func;
vs->read_handler_expect = expecting;
}
-static void vnc_client_read(void *opaque)
+
+/*
+ * Called to read a chunk of data from the client socket. The data may
+ * be the raw data, or may need to be further decoded by SASL.
+ * The data will be read either straight from to the socket, or
+ * read via the GNUTLS wrappers, if TLS/SSL encryption is enabled
+ *
+ * NB, it is theoretically possible to have 2 layers of encryption,
+ * both SASL, and this TLS layer. It is highly unlikely in practice
+ * though, since SASL encryption will typically be a no-op if TLS
+ * is active
+ *
+ * Returns the number of bytes read, which may be less than
+ * the requested 'datalen' if the socket would block. Returns
+ * -1 on error, and disconnects the client socket.
+ */
+long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen)
{
- VncState *vs = opaque;
long ret;
-
- buffer_reserve(&vs->input, 4096);
-
#ifdef CONFIG_VNC_TLS
- if (vs->tls_session) {
- ret = gnutls_read(vs->tls_session, buffer_end(&vs->input), 4096);
- if (ret < 0) {
- if (ret == GNUTLS_E_AGAIN)
- errno = EAGAIN;
- else
- errno = EIO;
- ret = -1;
- }
+ if (vs->tls.session) {
+ ret = gnutls_read(vs->tls.session, data, datalen);
+ if (ret < 0) {
+ if (ret == GNUTLS_E_AGAIN)
+ errno = EAGAIN;
+ else
+ errno = EIO;
+ ret = -1;
+ }
} else
#endif /* CONFIG_VNC_TLS */
- ret = recv(vs->csock, buffer_end(&vs->input), 4096, 0);
- ret = vnc_client_io_error(vs, ret, socket_error());
- if (!ret)
- return;
+ ret = recv(vs->csock, (void *)data, datalen, 0);
+ VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret);
+ return vnc_client_io_error(vs, ret, socket_error());
+}
+
+/*
+ * Called to read data from the client socket to the input buffer,
+ * when not using any SASL SSF encryption layers. Will read as much
+ * data as possible without blocking.
+ *
+ * Returns the number of bytes read. Returns -1 on error, and
+ * disconnects the client socket.
+ */
+static long vnc_client_read_plain(VncState *vs)
+{
+ int ret;
+ VNC_DEBUG("Read plain %p size %zd offset %zd\n",
+ vs->input.buffer, vs->input.capacity, vs->input.offset);
+ buffer_reserve(&vs->input, 4096);
+ ret = vnc_client_read_buf(vs, buffer_end(&vs->input), 4096);
+ if (!ret)
+ return 0;
vs->input.offset += ret;
+ return ret;
+}
+
+
+/*
+ * First function called whenever there is more data to be read from
+ * the client socket. Will delegate actual work according to whether
+ * SASL SSF layers are enabled (thus requiring decryption calls)
+ */
+void vnc_client_read(void *opaque)
+{
+ VncState *vs = opaque;
+ long ret;
+
+#ifdef CONFIG_VNC_SASL
+ if (vs->sasl.conn && vs->sasl.runSSF)
+ ret = vnc_client_read_sasl(vs);
+ else
+#endif /* CONFIG_VNC_SASL */
+ ret = vnc_client_read_plain(vs);
+ if (!ret) {
+ if (vs->csock == -1)
+ vnc_disconnect_finish(vs);
+ return;
+ }
while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
- size_t len = vs->read_handler_expect;
- int ret;
+ size_t len = vs->read_handler_expect;
+ int ret;
- ret = vs->read_handler(vs, vs->input.buffer, len);
- if (vs->csock == -1)
- return;
+ ret = vs->read_handler(vs, vs->input.buffer, len);
+ if (vs->csock == -1) {
+ vnc_disconnect_finish(vs);
+ return;
+ }
- if (!ret) {
- memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len));
- vs->input.offset -= len;
- } else {
- vs->read_handler_expect = ret;
- }
+ if (!ret) {
+ memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len));
+ vs->input.offset -= len;
+ } else {
+ vs->read_handler_expect = ret;
+ }
}
}
-static void vnc_write(VncState *vs, const void *data, size_t len)
+void vnc_write(VncState *vs, const void *data, size_t len)
{
buffer_reserve(&vs->output, len);
- if (buffer_empty(&vs->output)) {
- qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
+ if (vs->csock != -1 && buffer_empty(&vs->output)) {
+ qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
}
buffer_append(&vs->output, data, len);
}
-static void vnc_write_s32(VncState *vs, int32_t value)
+void vnc_write_s32(VncState *vs, int32_t value)
{
vnc_write_u32(vs, *(uint32_t *)&value);
}
-static void vnc_write_u32(VncState *vs, uint32_t value)
+void vnc_write_u32(VncState *vs, uint32_t value)
{
uint8_t buf[4];
vnc_write(vs, buf, 4);
}
-static void vnc_write_u16(VncState *vs, uint16_t value)
+void vnc_write_u16(VncState *vs, uint16_t value)
{
uint8_t buf[2];
vnc_write(vs, buf, 2);
}
-static void vnc_write_u8(VncState *vs, uint8_t value)
+void vnc_write_u8(VncState *vs, uint8_t value)
{
vnc_write(vs, (char *)&value, 1);
}
-static void vnc_flush(VncState *vs)
+void vnc_flush(VncState *vs)
{
- if (vs->output.offset)
- vnc_client_write(vs);
+ if (vs->csock != -1 && vs->output.offset)
+ vnc_client_write(vs);
}
-static uint8_t read_u8(uint8_t *data, size_t offset)
+uint8_t read_u8(uint8_t *data, size_t offset)
{
return data[offset];
}
-static uint16_t read_u16(uint8_t *data, size_t offset)
+uint16_t read_u16(uint8_t *data, size_t offset)
{
return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF);
}
-static int32_t read_s32(uint8_t *data, size_t offset)
+int32_t read_s32(uint8_t *data, size_t offset)
{
return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) |
- (data[offset + 2] << 8) | data[offset + 3]);
+ (data[offset + 2] << 8) | data[offset + 3]);
}
-static uint32_t read_u32(uint8_t *data, size_t offset)
+uint32_t read_u32(uint8_t *data, size_t offset)
{
return ((data[offset] << 24) | (data[offset + 1] << 16) |
- (data[offset + 2] << 8) | data[offset + 3]);
-}
-
-#ifdef CONFIG_VNC_TLS
-static ssize_t vnc_tls_push(gnutls_transport_ptr_t transport,
- const void *data,
- size_t len) {
- struct VncState *vs = (struct VncState *)transport;
- int ret;
-
- retry:
- ret = send(vs->csock, data, len, 0);
- if (ret < 0) {
- if (errno == EINTR)
- goto retry;
- return -1;
- }
- return ret;
+ (data[offset + 2] << 8) | data[offset + 3]);
}
-
-static ssize_t vnc_tls_pull(gnutls_transport_ptr_t transport,
- void *data,
- size_t len) {
- struct VncState *vs = (struct VncState *)transport;
- int ret;
-
- retry:
- ret = recv(vs->csock, data, len, 0);
- if (ret < 0) {
- if (errno == EINTR)
- goto retry;
- return -1;
- }
- return ret;
-}
-#endif /* CONFIG_VNC_TLS */
-
static void client_cut_text(VncState *vs, size_t len, uint8_t *text)
{
}
-static void check_pointer_type_change(VncState *vs, int absolute)
+static void check_pointer_type_change(Notifier *notifier)
{
+ VncState *vs = container_of(notifier, VncState, mouse_mode_notifier);
+ int absolute = kbd_mouse_is_absolute();
+
if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute != absolute) {
- vnc_write_u8(vs, 0);
- vnc_write_u8(vs, 0);
- vnc_write_u16(vs, 1);
- vnc_framebuffer_update(vs, absolute, 0,
- ds_get_width(vs->ds), ds_get_height(vs->ds),
+ vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
+ vnc_write_u8(vs, 0);
+ vnc_write_u16(vs, 1);
+ vnc_framebuffer_update(vs, absolute, 0,
+ ds_get_width(vs->ds), ds_get_height(vs->ds),
VNC_ENCODING_POINTER_TYPE_CHANGE);
- vnc_flush(vs);
+ vnc_flush(vs);
}
vs->absolute = absolute;
}
int dz = 0;
if (button_mask & 0x01)
- buttons |= MOUSE_EVENT_LBUTTON;
+ buttons |= MOUSE_EVENT_LBUTTON;
if (button_mask & 0x02)
- buttons |= MOUSE_EVENT_MBUTTON;
+ buttons |= MOUSE_EVENT_MBUTTON;
if (button_mask & 0x04)
- buttons |= MOUSE_EVENT_RBUTTON;
+ buttons |= MOUSE_EVENT_RBUTTON;
if (button_mask & 0x08)
- dz = -1;
+ dz = -1;
if (button_mask & 0x10)
- dz = 1;
+ dz = 1;
if (vs->absolute) {
- kbd_mouse_event(x * 0x7FFF / (ds_get_width(vs->ds) - 1),
- y * 0x7FFF / (ds_get_height(vs->ds) - 1),
- dz, buttons);
+ kbd_mouse_event(ds_get_width(vs->ds) > 1 ?
+ x * 0x7FFF / (ds_get_width(vs->ds) - 1) : 0x4000,
+ ds_get_height(vs->ds) > 1 ?
+ y * 0x7FFF / (ds_get_height(vs->ds) - 1) : 0x4000,
+ dz, buttons);
} else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) {
- x -= 0x7FFF;
- y -= 0x7FFF;
+ x -= 0x7FFF;
+ y -= 0x7FFF;
- kbd_mouse_event(x, y, dz, buttons);
+ kbd_mouse_event(x, y, dz, buttons);
} else {
- if (vs->last_x != -1)
- kbd_mouse_event(x - vs->last_x,
- y - vs->last_y,
- dz, buttons);
- vs->last_x = x;
- vs->last_y = y;
+ if (vs->last_x != -1)
+ kbd_mouse_event(x - vs->last_x,
+ y - vs->last_y,
+ dz, buttons);
+ vs->last_x = x;
+ vs->last_y = y;
}
-
- check_pointer_type_change(vs, kbd_mouse_is_absolute());
}
static void reset_keys(VncState *vs)
int i;
for(i = 0; i < 256; i++) {
if (vs->modifiers_state[i]) {
- if (i & 0x80)
- kbd_put_keycode(0xe0);
- kbd_put_keycode(i | 0x80);
+ if (i & SCANCODE_GREY)
+ kbd_put_keycode(SCANCODE_EMUL0);
+ kbd_put_keycode(i | SCANCODE_UP);
vs->modifiers_state[i] = 0;
}
}
static void press_key(VncState *vs, int keysym)
{
- kbd_put_keycode(keysym2scancode(vs->vd->kbd_layout, keysym) & 0x7f);
- kbd_put_keycode(keysym2scancode(vs->vd->kbd_layout, keysym) | 0x80);
+ int keycode = keysym2scancode(vs->vd->kbd_layout, keysym) & SCANCODE_KEYMASK;
+ if (keycode & SCANCODE_GREY)
+ kbd_put_keycode(SCANCODE_EMUL0);
+ kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK);
+ if (keycode & SCANCODE_GREY)
+ kbd_put_keycode(SCANCODE_EMUL0);
+ kbd_put_keycode(keycode | SCANCODE_UP);
+}
+
+static void kbd_leds(void *opaque, int ledstate)
+{
+ VncState *vs = opaque;
+ int caps, num;
+
+ caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0;
+ num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0;
+
+ if (vs->modifiers_state[0x3a] != caps) {
+ vs->modifiers_state[0x3a] = caps;
+ }
+ if (vs->modifiers_state[0x45] != num) {
+ vs->modifiers_state[0x45] = num;
+ }
}
static void do_key_event(VncState *vs, int down, int keycode, int sym)
return;
}
break;
- case 0x3a: /* CapsLock */
- case 0x45: /* NumLock */
- if (!down)
+ case 0x3a: /* CapsLock */
+ case 0x45: /* NumLock */
+ if (down)
vs->modifiers_state[keycode] ^= 1;
break;
}
- if (keycode_is_keypad(vs->vd->kbd_layout, keycode)) {
+ if (vs->vd->lock_key_sync &&
+ keycode_is_keypad(vs->vd->kbd_layout, keycode)) {
/* If the numlock state needs to change then simulate an additional
keypress before sending this one. This will happen if the user
toggles numlock away from the VNC window.
}
}
+ if (vs->vd->lock_key_sync &&
+ ((sym >= 'A' && sym <= 'Z') || (sym >= 'a' && sym <= 'z'))) {
+ /* If the capslock state needs to change then simulate an additional
+ keypress before sending this one. This will happen if the user
+ toggles capslock away from the VNC window.
+ */
+ int uppercase = !!(sym >= 'A' && sym <= 'Z');
+ int shift = !!(vs->modifiers_state[0x2a] | vs->modifiers_state[0x36]);
+ int capslock = !!(vs->modifiers_state[0x3a]);
+ if (capslock) {
+ if (uppercase == shift) {
+ vs->modifiers_state[0x3a] = 0;
+ press_key(vs, 0xffe5);
+ }
+ } else {
+ if (uppercase != shift) {
+ vs->modifiers_state[0x3a] = 1;
+ press_key(vs, 0xffe5);
+ }
+ }
+ }
+
if (is_graphic_console()) {
- if (keycode & 0x80)
- kbd_put_keycode(0xe0);
+ if (keycode & SCANCODE_GREY)
+ kbd_put_keycode(SCANCODE_EMUL0);
if (down)
- kbd_put_keycode(keycode & 0x7f);
+ kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK);
else
- kbd_put_keycode(keycode | 0x80);
+ kbd_put_keycode(keycode | SCANCODE_UP);
} else {
/* QEMU console emulation */
if (down) {
+ int numlock = vs->modifiers_state[0x45];
switch (keycode) {
case 0x2a: /* Left Shift */
case 0x36: /* Right Shift */
case 0xd1:
kbd_put_keysym(QEMU_KEY_PAGEDOWN);
break;
+
+ case 0x47:
+ kbd_put_keysym(numlock ? '7' : QEMU_KEY_HOME);
+ break;
+ case 0x48:
+ kbd_put_keysym(numlock ? '8' : QEMU_KEY_UP);
+ break;
+ case 0x49:
+ kbd_put_keysym(numlock ? '9' : QEMU_KEY_PAGEUP);
+ break;
+ case 0x4b:
+ kbd_put_keysym(numlock ? '4' : QEMU_KEY_LEFT);
+ break;
+ case 0x4c:
+ kbd_put_keysym('5');
+ break;
+ case 0x4d:
+ kbd_put_keysym(numlock ? '6' : QEMU_KEY_RIGHT);
+ break;
+ case 0x4f:
+ kbd_put_keysym(numlock ? '1' : QEMU_KEY_END);
+ break;
+ case 0x50:
+ kbd_put_keysym(numlock ? '2' : QEMU_KEY_DOWN);
+ break;
+ case 0x51:
+ kbd_put_keysym(numlock ? '3' : QEMU_KEY_PAGEDOWN);
+ break;
+ case 0x52:
+ kbd_put_keysym('0');
+ break;
+ case 0x53:
+ kbd_put_keysym(numlock ? '.' : QEMU_KEY_DELETE);
+ break;
+
+ case 0xb5:
+ kbd_put_keysym('/');
+ break;
+ case 0x37:
+ kbd_put_keysym('*');
+ break;
+ case 0x4a:
+ kbd_put_keysym('-');
+ break;
+ case 0x4e:
+ kbd_put_keysym('+');
+ break;
+ case 0x9c:
+ kbd_put_keysym('\n');
+ break;
+
default:
kbd_put_keysym(sym);
break;
static void key_event(VncState *vs, int down, uint32_t sym)
{
int keycode;
+ int lsym = sym;
- if (sym >= 'A' && sym <= 'Z' && is_graphic_console())
- sym = sym - 'A' + 'a';
+ if (lsym >= 'A' && lsym <= 'Z' && is_graphic_console()) {
+ lsym = lsym - 'A' + 'a';
+ }
- keycode = keysym2scancode(vs->vd->kbd_layout, sym & 0xFFFF);
+ keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK;
do_key_event(vs, down, keycode, sym);
}
}
static void framebuffer_update_request(VncState *vs, int incremental,
- int x_position, int y_position,
- int w, int h)
+ int x_position, int y_position,
+ int w, int h)
{
- if (x_position > ds_get_width(vs->ds))
- x_position = ds_get_width(vs->ds);
if (y_position > ds_get_height(vs->ds))
y_position = ds_get_height(vs->ds);
- if (x_position + w >= ds_get_width(vs->ds))
- w = ds_get_width(vs->ds) - x_position;
if (y_position + h >= ds_get_height(vs->ds))
h = ds_get_height(vs->ds) - y_position;
int i;
vs->need_update = 1;
if (!incremental) {
- char *old_row = vs->old_data + y_position * ds_get_linesize(vs->ds);
-
- for (i = 0; i < h; i++) {
- vnc_set_bits(vs->dirty_row[y_position + i],
+ vs->force_update = 1;
+ for (i = 0; i < h; i++) {
+ vnc_set_bits(vs->dirty[y_position + i],
(ds_get_width(vs->ds) / 16), VNC_DIRTY_WORDS);
- memset(old_row, 42, ds_get_width(vs->ds) * ds_get_bytes_per_pixel(vs->ds));
- old_row += ds_get_linesize(vs->ds);
- }
+ }
}
}
static void send_ext_key_event_ack(VncState *vs)
{
- vnc_write_u8(vs, 0);
+ vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1);
vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds),
static void send_ext_audio_ack(VncState *vs)
{
- vnc_write_u8(vs, 0);
+ vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1);
vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds),
int i;
unsigned int enc = 0;
- vnc_zlib_init(vs);
vs->features = 0;
vs->vnc_encoding = 0;
vs->tight_compression = 9;
vs->tight_quality = 9;
vs->absolute = -1;
+ /*
+ * Start from the end because the encodings are sent in order of preference.
+ * This way the prefered encoding (first encoding defined in the array)
+ * will be set at the end of the loop.
+ */
for (i = n_encodings - 1; i >= 0; i--) {
enc = encodings[i];
switch (enc) {
vs->features |= VNC_FEATURE_HEXTILE_MASK;
vs->vnc_encoding = enc;
break;
+ case VNC_ENCODING_TIGHT:
+ vs->features |= VNC_FEATURE_TIGHT_MASK;
+ vs->vnc_encoding = enc;
+ break;
case VNC_ENCODING_ZLIB:
vs->features |= VNC_FEATURE_ZLIB_MASK;
vs->vnc_encoding = enc;
case VNC_ENCODING_POINTER_TYPE_CHANGE:
vs->features |= VNC_FEATURE_POINTER_TYPE_CHANGE_MASK;
break;
+ case VNC_ENCODING_RICH_CURSOR:
+ vs->features |= VNC_FEATURE_RICH_CURSOR_MASK;
+ break;
case VNC_ENCODING_EXT_KEY_EVENT:
send_ext_key_event_ack(vs);
break;
break;
}
}
-
- check_pointer_type_change(vs, kbd_mouse_is_absolute());
+ vnc_desktop_resize(vs);
+ check_pointer_type_change(&vs->mouse_mode_notifier);
}
static void set_pixel_conversion(VncState *vs)
(vs->ds->surface->flags & QEMU_BIG_ENDIAN_FLAG) &&
!memcmp(&(vs->clientds.pf), &(vs->ds->surface->pf), sizeof(PixelFormat))) {
vs->write_pixels = vnc_write_pixels_copy;
- switch (vs->ds->surface->pf.bits_per_pixel) {
- case 8:
- vs->send_hextile_tile = send_hextile_tile_8;
- break;
- case 16:
- vs->send_hextile_tile = send_hextile_tile_16;
- break;
- case 32:
- vs->send_hextile_tile = send_hextile_tile_32;
- break;
- }
+ vnc_hextile_set_pixel_conversion(vs, 0);
} else {
vs->write_pixels = vnc_write_pixels_generic;
- switch (vs->ds->surface->pf.bits_per_pixel) {
- case 8:
- vs->send_hextile_tile = send_hextile_tile_generic_8;
- break;
- case 16:
- vs->send_hextile_tile = send_hextile_tile_generic_16;
- break;
- case 32:
- vs->send_hextile_tile = send_hextile_tile_generic_32;
- break;
- }
+ vnc_hextile_set_pixel_conversion(vs, 1);
}
}
static void set_pixel_format(VncState *vs,
- int bits_per_pixel, int depth,
- int big_endian_flag, int true_color_flag,
- int red_max, int green_max, int blue_max,
- int red_shift, int green_shift, int blue_shift)
+ int bits_per_pixel, int depth,
+ int big_endian_flag, int true_color_flag,
+ int red_max, int green_max, int blue_max,
+ int red_shift, int green_shift, int blue_shift)
{
if (!true_color_flag) {
- vnc_client_error(vs);
+ vnc_client_error(vs);
return;
}
- vs->clientds = vs->serverds;
+ vs->clientds = *(vs->vd->guest.ds);
vs->clientds.pf.rmax = red_max;
count_bits(vs->clientds.pf.rbits, red_max);
vs->clientds.pf.rshift = red_shift;
vnc_write_u8(vs, vs->ds->surface->pf.bits_per_pixel); /* bits-per-pixel */
vnc_write_u8(vs, vs->ds->surface->pf.depth); /* depth */
-#ifdef WORDS_BIGENDIAN
+#ifdef HOST_WORDS_BIGENDIAN
vnc_write_u8(vs, 1); /* big-endian-flag */
#else
vnc_write_u8(vs, 0); /* big-endian-flag */
vnc_write_u8(vs, vs->ds->surface->pf.rshift); /* red-shift */
vnc_write_u8(vs, vs->ds->surface->pf.gshift); /* green-shift */
vnc_write_u8(vs, vs->ds->surface->pf.bshift); /* blue-shift */
- if (vs->ds->surface->pf.bits_per_pixel == 32)
- vs->send_hextile_tile = send_hextile_tile_32;
- else if (vs->ds->surface->pf.bits_per_pixel == 16)
- vs->send_hextile_tile = send_hextile_tile_16;
- else if (vs->ds->surface->pf.bits_per_pixel == 8)
- vs->send_hextile_tile = send_hextile_tile_8;
+
+ vnc_hextile_set_pixel_conversion(vs, 0);
+
vs->clientds = *(vs->ds->surface);
- vs->clientds.flags |= ~QEMU_ALLOCATED_FLAG;
+ vs->clientds.flags &= ~QEMU_ALLOCATED_FLAG;
vs->write_pixels = vnc_write_pixels_copy;
vnc_write(vs, pad, 3); /* padding */
{
if (vnc_has_feature(vs, VNC_FEATURE_WMVI)) {
/* Sending a WMVi message to notify the client*/
- vnc_write_u8(vs, 0); /* msg id */
+ vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds),
{
int i;
uint16_t limit;
+ VncDisplay *vd = vs->vd;
+
+ if (data[0] > 3) {
+ vd->timer_interval = VNC_REFRESH_INTERVAL_BASE;
+ if (!qemu_timer_expired(vd->timer, qemu_get_clock(rt_clock) + vd->timer_interval))
+ qemu_mod_timer(vd->timer, qemu_get_clock(rt_clock) + vd->timer_interval);
+ }
switch (data[0]) {
- case 0:
- if (len == 1)
- return 20;
-
- set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5),
- read_u8(data, 6), read_u8(data, 7),
- read_u16(data, 8), read_u16(data, 10),
- read_u16(data, 12), read_u8(data, 14),
- read_u8(data, 15), read_u8(data, 16));
- break;
- case 2:
- if (len == 1)
- return 4;
+ case VNC_MSG_CLIENT_SET_PIXEL_FORMAT:
+ if (len == 1)
+ return 20;
+
+ set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5),
+ read_u8(data, 6), read_u8(data, 7),
+ read_u16(data, 8), read_u16(data, 10),
+ read_u16(data, 12), read_u8(data, 14),
+ read_u8(data, 15), read_u8(data, 16));
+ break;
+ case VNC_MSG_CLIENT_SET_ENCODINGS:
+ if (len == 1)
+ return 4;
- if (len == 4) {
+ if (len == 4) {
limit = read_u16(data, 2);
if (limit > 0)
return 4 + (limit * 4);
} else
limit = read_u16(data, 2);
- for (i = 0; i < limit; i++) {
- int32_t val = read_s32(data, 4 + (i * 4));
- memcpy(data + 4 + (i * 4), &val, sizeof(val));
- }
-
- set_encodings(vs, (int32_t *)(data + 4), limit);
- break;
- case 3:
- if (len == 1)
- return 10;
-
- framebuffer_update_request(vs,
- read_u8(data, 1), read_u16(data, 2), read_u16(data, 4),
- read_u16(data, 6), read_u16(data, 8));
- break;
- case 4:
- if (len == 1)
- return 8;
-
- key_event(vs, read_u8(data, 1), read_u32(data, 4));
- break;
- case 5:
- if (len == 1)
- return 6;
-
- pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4));
- break;
- case 6:
- if (len == 1)
- return 8;
-
- if (len == 8) {
+ for (i = 0; i < limit; i++) {
+ int32_t val = read_s32(data, 4 + (i * 4));
+ memcpy(data + 4 + (i * 4), &val, sizeof(val));
+ }
+
+ set_encodings(vs, (int32_t *)(data + 4), limit);
+ break;
+ case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST:
+ if (len == 1)
+ return 10;
+
+ framebuffer_update_request(vs,
+ read_u8(data, 1), read_u16(data, 2), read_u16(data, 4),
+ read_u16(data, 6), read_u16(data, 8));
+ break;
+ case VNC_MSG_CLIENT_KEY_EVENT:
+ if (len == 1)
+ return 8;
+
+ key_event(vs, read_u8(data, 1), read_u32(data, 4));
+ break;
+ case VNC_MSG_CLIENT_POINTER_EVENT:
+ if (len == 1)
+ return 6;
+
+ pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4));
+ break;
+ case VNC_MSG_CLIENT_CUT_TEXT:
+ if (len == 1)
+ return 8;
+
+ if (len == 8) {
uint32_t dlen = read_u32(data, 4);
if (dlen > 0)
return 8 + dlen;
}
- client_cut_text(vs, read_u32(data, 4), data + 8);
- break;
- case 255:
+ client_cut_text(vs, read_u32(data, 4), data + 8);
+ break;
+ case VNC_MSG_CLIENT_QEMU:
if (len == 1)
return 2;
switch (read_u8(data, 1)) {
- case 0:
+ case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT:
if (len == 2)
return 12;
ext_key_event(vs, read_u16(data, 2),
read_u32(data, 4), read_u32(data, 8));
break;
- case 1:
+ case VNC_MSG_CLIENT_QEMU_AUDIO:
if (len == 2)
return 4;
switch (read_u16 (data, 2)) {
- case 0:
+ case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE:
audio_add(vs);
break;
- case 1:
+ case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE:
audio_del(vs);
break;
- case 2:
+ case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT:
if (len == 4)
return 10;
switch (read_u8(data, 4)) {
}
break;
default:
- printf("Msg: %d\n", data[0]);
- vnc_client_error(vs);
- break;
+ printf("Msg: %d\n", data[0]);
+ vnc_client_error(vs);
+ break;
}
vnc_read_when(vs, protocol_client_msg, 1);
char buf[1024];
int size;
- vnc_write_u16(vs, ds_get_width(vs->ds));
- vnc_write_u16(vs, ds_get_height(vs->ds));
+ vs->client_width = ds_get_width(vs->ds);
+ vs->client_height = ds_get_height(vs->ds);
+ vnc_write_u16(vs, vs->client_width);
+ vnc_write_u16(vs, vs->client_height);
pixel_format_message(vs);
vnc_write(vs, buf, size);
vnc_flush(vs);
+ vnc_client_cache_auth(vs);
+ vnc_qmp_event(vs, QEVENT_VNC_INITIALIZED);
+
vnc_read_when(vs, protocol_client_msg, 1);
return 0;
}
+void start_client_init(VncState *vs)
+{
+ vnc_read_when(vs, protocol_client_init, 1);
+}
+
static void make_challenge(VncState *vs)
{
int i;
unsigned char key[8];
if (!vs->vd->password || !vs->vd->password[0]) {
- VNC_DEBUG("No password configured on server");
- vnc_write_u32(vs, 1); /* Reject auth */
- if (vs->minor >= 8) {
- static const char err[] = "Authentication failed";
- vnc_write_u32(vs, sizeof(err));
- vnc_write(vs, err, sizeof(err));
- }
- vnc_flush(vs);
- vnc_client_error(vs);
- return 0;
+ VNC_DEBUG("No password configured on server");
+ vnc_write_u32(vs, 1); /* Reject auth */
+ if (vs->minor >= 8) {
+ static const char err[] = "Authentication failed";
+ vnc_write_u32(vs, sizeof(err));
+ vnc_write(vs, err, sizeof(err));
+ }
+ vnc_flush(vs);
+ vnc_client_error(vs);
+ return 0;
}
memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE);
/* Compare expected vs actual challenge response */
if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) {
- VNC_DEBUG("Client challenge reponse did not match\n");
- vnc_write_u32(vs, 1); /* Reject auth */
- if (vs->minor >= 8) {
- static const char err[] = "Authentication failed";
- vnc_write_u32(vs, sizeof(err));
- vnc_write(vs, err, sizeof(err));
- }
- vnc_flush(vs);
- vnc_client_error(vs);
+ VNC_DEBUG("Client challenge reponse did not match\n");
+ vnc_write_u32(vs, 1); /* Reject auth */
+ if (vs->minor >= 8) {
+ static const char err[] = "Authentication failed";
+ vnc_write_u32(vs, sizeof(err));
+ vnc_write(vs, err, sizeof(err));
+ }
+ vnc_flush(vs);
+ vnc_client_error(vs);
} else {
- VNC_DEBUG("Accepting VNC challenge response\n");
- vnc_write_u32(vs, 0); /* Accept auth */
- vnc_flush(vs);
+ VNC_DEBUG("Accepting VNC challenge response\n");
+ vnc_write_u32(vs, 0); /* Accept auth */
+ vnc_flush(vs);
- vnc_read_when(vs, protocol_client_init, 1);
+ start_client_init(vs);
}
return 0;
}
-static int start_auth_vnc(VncState *vs)
+void start_auth_vnc(VncState *vs)
{
make_challenge(vs);
/* Send client a 'random' challenge */
vnc_flush(vs);
vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge));
- return 0;
-}
-
-
-#ifdef CONFIG_VNC_TLS
-#define DH_BITS 1024
-static gnutls_dh_params_t dh_params;
-
-static int vnc_tls_initialize(void)
-{
- static int tlsinitialized = 0;
-
- if (tlsinitialized)
- return 1;
-
- if (gnutls_global_init () < 0)
- return 0;
-
- /* XXX ought to re-generate diffie-hellmen params periodically */
- if (gnutls_dh_params_init (&dh_params) < 0)
- return 0;
- if (gnutls_dh_params_generate2 (dh_params, DH_BITS) < 0)
- return 0;
-
-#if defined(_VNC_DEBUG) && _VNC_DEBUG >= 2
- gnutls_global_set_log_level(10);
- gnutls_global_set_log_function(vnc_debug_gnutls_log);
-#endif
-
- tlsinitialized = 1;
-
- return 1;
-}
-
-static gnutls_anon_server_credentials vnc_tls_initialize_anon_cred(void)
-{
- gnutls_anon_server_credentials anon_cred;
- int ret;
-
- if ((ret = gnutls_anon_allocate_server_credentials(&anon_cred)) < 0) {
- VNC_DEBUG("Cannot allocate credentials %s\n", gnutls_strerror(ret));
- return NULL;
- }
-
- gnutls_anon_set_server_dh_params(anon_cred, dh_params);
-
- return anon_cred;
-}
-
-
-static gnutls_certificate_credentials_t vnc_tls_initialize_x509_cred(VncState *vs)
-{
- gnutls_certificate_credentials_t x509_cred;
- int ret;
-
- if (!vs->vd->x509cacert) {
- VNC_DEBUG("No CA x509 certificate specified\n");
- return NULL;
- }
- if (!vs->vd->x509cert) {
- VNC_DEBUG("No server x509 certificate specified\n");
- return NULL;
- }
- if (!vs->vd->x509key) {
- VNC_DEBUG("No server private key specified\n");
- return NULL;
- }
-
- if ((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0) {
- VNC_DEBUG("Cannot allocate credentials %s\n", gnutls_strerror(ret));
- return NULL;
- }
- if ((ret = gnutls_certificate_set_x509_trust_file(x509_cred,
- vs->vd->x509cacert,
- GNUTLS_X509_FMT_PEM)) < 0) {
- VNC_DEBUG("Cannot load CA certificate %s\n", gnutls_strerror(ret));
- gnutls_certificate_free_credentials(x509_cred);
- return NULL;
- }
-
- if ((ret = gnutls_certificate_set_x509_key_file (x509_cred,
- vs->vd->x509cert,
- vs->vd->x509key,
- GNUTLS_X509_FMT_PEM)) < 0) {
- VNC_DEBUG("Cannot load certificate & key %s\n", gnutls_strerror(ret));
- gnutls_certificate_free_credentials(x509_cred);
- return NULL;
- }
-
- if (vs->vd->x509cacrl) {
- if ((ret = gnutls_certificate_set_x509_crl_file(x509_cred,
- vs->vd->x509cacrl,
- GNUTLS_X509_FMT_PEM)) < 0) {
- VNC_DEBUG("Cannot load CRL %s\n", gnutls_strerror(ret));
- gnutls_certificate_free_credentials(x509_cred);
- return NULL;
- }
- }
-
- gnutls_certificate_set_dh_params (x509_cred, dh_params);
-
- return x509_cred;
-}
-
-static int vnc_validate_certificate(struct VncState *vs)
-{
- int ret;
- unsigned int status;
- const gnutls_datum_t *certs;
- unsigned int nCerts, i;
- time_t now;
-
- VNC_DEBUG("Validating client certificate\n");
- if ((ret = gnutls_certificate_verify_peers2 (vs->tls_session, &status)) < 0) {
- VNC_DEBUG("Verify failed %s\n", gnutls_strerror(ret));
- return -1;
- }
-
- if ((now = time(NULL)) == ((time_t)-1)) {
- return -1;
- }
-
- if (status != 0) {
- if (status & GNUTLS_CERT_INVALID)
- VNC_DEBUG("The certificate is not trusted.\n");
-
- if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
- VNC_DEBUG("The certificate hasn't got a known issuer.\n");
-
- if (status & GNUTLS_CERT_REVOKED)
- VNC_DEBUG("The certificate has been revoked.\n");
-
- if (status & GNUTLS_CERT_INSECURE_ALGORITHM)
- VNC_DEBUG("The certificate uses an insecure algorithm\n");
-
- return -1;
- } else {
- VNC_DEBUG("Certificate is valid!\n");
- }
-
- /* Only support x509 for now */
- if (gnutls_certificate_type_get(vs->tls_session) != GNUTLS_CRT_X509)
- return -1;
-
- if (!(certs = gnutls_certificate_get_peers(vs->tls_session, &nCerts)))
- return -1;
-
- for (i = 0 ; i < nCerts ; i++) {
- gnutls_x509_crt_t cert;
- VNC_DEBUG ("Checking certificate chain %d\n", i);
- if (gnutls_x509_crt_init (&cert) < 0)
- return -1;
-
- if (gnutls_x509_crt_import(cert, &certs[i], GNUTLS_X509_FMT_DER) < 0) {
- gnutls_x509_crt_deinit (cert);
- return -1;
- }
-
- if (gnutls_x509_crt_get_expiration_time (cert) < now) {
- VNC_DEBUG("The certificate has expired\n");
- gnutls_x509_crt_deinit (cert);
- return -1;
- }
-
- if (gnutls_x509_crt_get_activation_time (cert) > now) {
- VNC_DEBUG("The certificate is not yet activated\n");
- gnutls_x509_crt_deinit (cert);
- return -1;
- }
-
- if (gnutls_x509_crt_get_activation_time (cert) > now) {
- VNC_DEBUG("The certificate is not yet activated\n");
- gnutls_x509_crt_deinit (cert);
- return -1;
- }
-
- gnutls_x509_crt_deinit (cert);
- }
-
- return 0;
-}
-
-
-static int start_auth_vencrypt_subauth(VncState *vs)
-{
- switch (vs->vd->subauth) {
- case VNC_AUTH_VENCRYPT_TLSNONE:
- case VNC_AUTH_VENCRYPT_X509NONE:
- VNC_DEBUG("Accept TLS auth none\n");
- vnc_write_u32(vs, 0); /* Accept auth completion */
- vnc_read_when(vs, protocol_client_init, 1);
- break;
-
- case VNC_AUTH_VENCRYPT_TLSVNC:
- case VNC_AUTH_VENCRYPT_X509VNC:
- VNC_DEBUG("Start TLS auth VNC\n");
- return start_auth_vnc(vs);
-
- default: /* Should not be possible, but just in case */
- VNC_DEBUG("Reject auth %d\n", vs->vd->auth);
- vnc_write_u8(vs, 1);
- if (vs->minor >= 8) {
- static const char err[] = "Unsupported authentication type";
- vnc_write_u32(vs, sizeof(err));
- vnc_write(vs, err, sizeof(err));
- }
- vnc_client_error(vs);
- }
-
- return 0;
-}
-
-static void vnc_handshake_io(void *opaque);
-
-static int vnc_continue_handshake(struct VncState *vs) {
- int ret;
-
- if ((ret = gnutls_handshake(vs->tls_session)) < 0) {
- if (!gnutls_error_is_fatal(ret)) {
- VNC_DEBUG("Handshake interrupted (blocking)\n");
- if (!gnutls_record_get_direction(vs->tls_session))
- qemu_set_fd_handler(vs->csock, vnc_handshake_io, NULL, vs);
- else
- qemu_set_fd_handler(vs->csock, NULL, vnc_handshake_io, vs);
- return 0;
- }
- VNC_DEBUG("Handshake failed %s\n", gnutls_strerror(ret));
- vnc_client_error(vs);
- return -1;
- }
-
- if (vs->vd->x509verify) {
- if (vnc_validate_certificate(vs) < 0) {
- VNC_DEBUG("Client verification failed\n");
- vnc_client_error(vs);
- return -1;
- } else {
- VNC_DEBUG("Client verification passed\n");
- }
- }
-
- VNC_DEBUG("Handshake done, switching to TLS data mode\n");
- vs->wiremode = VNC_WIREMODE_TLS;
- qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
-
- return start_auth_vencrypt_subauth(vs);
-}
-
-static void vnc_handshake_io(void *opaque) {
- struct VncState *vs = (struct VncState *)opaque;
-
- VNC_DEBUG("Handshake IO continue\n");
- vnc_continue_handshake(vs);
-}
-
-#define NEED_X509_AUTH(vs) \
- ((vs)->vd->subauth == VNC_AUTH_VENCRYPT_X509NONE || \
- (vs)->vd->subauth == VNC_AUTH_VENCRYPT_X509VNC || \
- (vs)->vd->subauth == VNC_AUTH_VENCRYPT_X509PLAIN)
-
-
-static int vnc_start_tls(struct VncState *vs) {
- static const int cert_type_priority[] = { GNUTLS_CRT_X509, 0 };
- static const int protocol_priority[]= { GNUTLS_TLS1_1, GNUTLS_TLS1_0, GNUTLS_SSL3, 0 };
- static const int kx_anon[] = {GNUTLS_KX_ANON_DH, 0};
- static const int kx_x509[] = {GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA, GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0};
-
- VNC_DEBUG("Do TLS setup\n");
- if (vnc_tls_initialize() < 0) {
- VNC_DEBUG("Failed to init TLS\n");
- vnc_client_error(vs);
- return -1;
- }
- if (vs->tls_session == NULL) {
- if (gnutls_init(&vs->tls_session, GNUTLS_SERVER) < 0) {
- vnc_client_error(vs);
- return -1;
- }
-
- if (gnutls_set_default_priority(vs->tls_session) < 0) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- vnc_client_error(vs);
- return -1;
- }
-
- if (gnutls_kx_set_priority(vs->tls_session, NEED_X509_AUTH(vs) ? kx_x509 : kx_anon) < 0) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- vnc_client_error(vs);
- return -1;
- }
-
- if (gnutls_certificate_type_set_priority(vs->tls_session, cert_type_priority) < 0) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- vnc_client_error(vs);
- return -1;
- }
-
- if (gnutls_protocol_set_priority(vs->tls_session, protocol_priority) < 0) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- vnc_client_error(vs);
- return -1;
- }
-
- if (NEED_X509_AUTH(vs)) {
- gnutls_certificate_server_credentials x509_cred = vnc_tls_initialize_x509_cred(vs);
- if (!x509_cred) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- vnc_client_error(vs);
- return -1;
- }
- if (gnutls_credentials_set(vs->tls_session, GNUTLS_CRD_CERTIFICATE, x509_cred) < 0) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- gnutls_certificate_free_credentials(x509_cred);
- vnc_client_error(vs);
- return -1;
- }
- if (vs->vd->x509verify) {
- VNC_DEBUG("Requesting a client certificate\n");
- gnutls_certificate_server_set_request (vs->tls_session, GNUTLS_CERT_REQUEST);
- }
-
- } else {
- gnutls_anon_server_credentials anon_cred = vnc_tls_initialize_anon_cred();
- if (!anon_cred) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- vnc_client_error(vs);
- return -1;
- }
- if (gnutls_credentials_set(vs->tls_session, GNUTLS_CRD_ANON, anon_cred) < 0) {
- gnutls_deinit(vs->tls_session);
- vs->tls_session = NULL;
- gnutls_anon_free_server_credentials(anon_cred);
- vnc_client_error(vs);
- return -1;
- }
- }
-
- gnutls_transport_set_ptr(vs->tls_session, (gnutls_transport_ptr_t)vs);
- gnutls_transport_set_push_function(vs->tls_session, vnc_tls_push);
- gnutls_transport_set_pull_function(vs->tls_session, vnc_tls_pull);
- }
-
- VNC_DEBUG("Start TLS handshake process\n");
- return vnc_continue_handshake(vs);
-}
-
-static int protocol_client_vencrypt_auth(VncState *vs, uint8_t *data, size_t len)
-{
- int auth = read_u32(data, 0);
-
- if (auth != vs->vd->subauth) {
- VNC_DEBUG("Rejecting auth %d\n", auth);
- vnc_write_u8(vs, 0); /* Reject auth */
- vnc_flush(vs);
- vnc_client_error(vs);
- } else {
- VNC_DEBUG("Accepting auth %d, starting handshake\n", auth);
- vnc_write_u8(vs, 1); /* Accept auth */
- vnc_flush(vs);
-
- if (vnc_start_tls(vs) < 0) {
- VNC_DEBUG("Failed to complete TLS\n");
- return 0;
- }
-
- if (vs->wiremode == VNC_WIREMODE_TLS) {
- VNC_DEBUG("Starting VeNCrypt subauth\n");
- return start_auth_vencrypt_subauth(vs);
- } else {
- VNC_DEBUG("TLS handshake blocked\n");
- return 0;
- }
- }
- return 0;
-}
-
-static int protocol_client_vencrypt_init(VncState *vs, uint8_t *data, size_t len)
-{
- if (data[0] != 0 ||
- data[1] != 2) {
- VNC_DEBUG("Unsupported VeNCrypt protocol %d.%d\n", (int)data[0], (int)data[1]);
- vnc_write_u8(vs, 1); /* Reject version */
- vnc_flush(vs);
- vnc_client_error(vs);
- } else {
- VNC_DEBUG("Sending allowed auth %d\n", vs->vd->subauth);
- vnc_write_u8(vs, 0); /* Accept version */
- vnc_write_u8(vs, 1); /* Number of sub-auths */
- vnc_write_u32(vs, vs->vd->subauth); /* The supported auth */
- vnc_flush(vs);
- vnc_read_when(vs, protocol_client_vencrypt_auth, 4);
- }
- return 0;
}
-static int start_auth_vencrypt(VncState *vs)
-{
- /* Send VeNCrypt version 0.2 */
- vnc_write_u8(vs, 0);
- vnc_write_u8(vs, 2);
-
- vnc_read_when(vs, protocol_client_vencrypt_init, 2);
- return 0;
-}
-#endif /* CONFIG_VNC_TLS */
static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len)
{
/* We only advertise 1 auth scheme at a time, so client
* must pick the one we sent. Verify this */
if (data[0] != vs->vd->auth) { /* Reject auth */
- VNC_DEBUG("Reject auth %d\n", (int)data[0]);
+ VNC_DEBUG("Reject auth %d because it didn't match advertized\n", (int)data[0]);
vnc_write_u32(vs, 1);
if (vs->minor >= 8) {
static const char err[] = "Authentication failed";
vnc_write_u32(vs, 0); /* Accept auth completion */
vnc_flush(vs);
}
- vnc_read_when(vs, protocol_client_init, 1);
+ start_client_init(vs);
break;
case VNC_AUTH_VNC:
VNC_DEBUG("Start VNC auth\n");
- return start_auth_vnc(vs);
+ start_auth_vnc(vs);
+ break;
#ifdef CONFIG_VNC_TLS
case VNC_AUTH_VENCRYPT:
VNC_DEBUG("Accept VeNCrypt auth\n");;
- return start_auth_vencrypt(vs);
+ start_auth_vencrypt(vs);
+ break;
#endif /* CONFIG_VNC_TLS */
+#ifdef CONFIG_VNC_SASL
+ case VNC_AUTH_SASL:
+ VNC_DEBUG("Accept SASL auth\n");
+ start_auth_sasl(vs);
+ break;
+#endif /* CONFIG_VNC_SASL */
+
default: /* Should not be possible, but just in case */
- VNC_DEBUG("Reject auth %d\n", vs->vd->auth);
+ VNC_DEBUG("Reject auth %d server code bug\n", vs->vd->auth);
vnc_write_u8(vs, 1);
if (vs->minor >= 8) {
static const char err[] = "Authentication failed";
local[12] = 0;
if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) {
- VNC_DEBUG("Malformed protocol version %s\n", local);
- vnc_client_error(vs);
- return 0;
+ VNC_DEBUG("Malformed protocol version %s\n", local);
+ vnc_client_error(vs);
+ return 0;
}
VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor);
if (vs->major != 3 ||
- (vs->minor != 3 &&
- vs->minor != 4 &&
- vs->minor != 5 &&
- vs->minor != 7 &&
- vs->minor != 8)) {
- VNC_DEBUG("Unsupported client version\n");
- vnc_write_u32(vs, VNC_AUTH_INVALID);
- vnc_flush(vs);
- vnc_client_error(vs);
- return 0;
+ (vs->minor != 3 &&
+ vs->minor != 4 &&
+ vs->minor != 5 &&
+ vs->minor != 7 &&
+ vs->minor != 8)) {
+ VNC_DEBUG("Unsupported client version\n");
+ vnc_write_u32(vs, VNC_AUTH_INVALID);
+ vnc_flush(vs);
+ vnc_client_error(vs);
+ return 0;
}
/* Some broken clients report v3.4 or v3.5, which spec requires to be treated
* as equivalent to v3.3 by servers
*/
if (vs->minor == 4 || vs->minor == 5)
- vs->minor = 3;
+ vs->minor = 3;
if (vs->minor == 3) {
- if (vs->vd->auth == VNC_AUTH_NONE) {
+ if (vs->vd->auth == VNC_AUTH_NONE) {
VNC_DEBUG("Tell client auth none\n");
vnc_write_u32(vs, vs->vd->auth);
vnc_flush(vs);
- vnc_read_when(vs, protocol_client_init, 1);
+ start_client_init(vs);
} else if (vs->vd->auth == VNC_AUTH_VNC) {
VNC_DEBUG("Tell client VNC auth\n");
vnc_write_u32(vs, vs->vd->auth);
vnc_client_error(vs);
}
} else {
- VNC_DEBUG("Telling client we support auth %d\n", vs->vd->auth);
- vnc_write_u8(vs, 1); /* num auth */
- vnc_write_u8(vs, vs->vd->auth);
- vnc_read_when(vs, protocol_client_auth, 1);
- vnc_flush(vs);
+ VNC_DEBUG("Telling client we support auth %d\n", vs->vd->auth);
+ vnc_write_u8(vs, 1); /* num auth */
+ vnc_write_u8(vs, vs->vd->auth);
+ vnc_read_when(vs, protocol_client_auth, 1);
+ vnc_flush(vs);
}
return 0;
}
+static int vnc_refresh_server_surface(VncDisplay *vd)
+{
+ int y;
+ uint8_t *guest_row;
+ uint8_t *server_row;
+ int cmp_bytes;
+ uint32_t width_mask[VNC_DIRTY_WORDS];
+ VncState *vs;
+ int has_dirty = 0;
+
+ /*
+ * Walk through the guest dirty map.
+ * Check and copy modified bits from guest to server surface.
+ * Update server dirty map.
+ */
+ vnc_set_bits(width_mask, (ds_get_width(vd->ds) / 16), VNC_DIRTY_WORDS);
+ cmp_bytes = 16 * ds_get_bytes_per_pixel(vd->ds);
+ guest_row = vd->guest.ds->data;
+ server_row = vd->server->data;
+ for (y = 0; y < vd->guest.ds->height; y++) {
+ if (vnc_and_bits(vd->guest.dirty[y], width_mask, VNC_DIRTY_WORDS)) {
+ int x;
+ uint8_t *guest_ptr;
+ uint8_t *server_ptr;
+
+ guest_ptr = guest_row;
+ server_ptr = server_row;
+
+ for (x = 0; x < vd->guest.ds->width;
+ x += 16, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) {
+ if (!vnc_get_bit(vd->guest.dirty[y], (x / 16)))
+ continue;
+ vnc_clear_bit(vd->guest.dirty[y], (x / 16));
+ if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0)
+ continue;
+ memcpy(server_ptr, guest_ptr, cmp_bytes);
+ QTAILQ_FOREACH(vs, &vd->clients, next) {
+ vnc_set_bit(vs->dirty[y], (x / 16));
+ }
+ has_dirty++;
+ }
+ }
+ guest_row += ds_get_linesize(vd->ds);
+ server_row += ds_get_linesize(vd->ds);
+ }
+ return has_dirty;
+}
+
+static void vnc_refresh(void *opaque)
+{
+ VncDisplay *vd = opaque;
+ VncState *vs, *vn;
+ int has_dirty, rects = 0;
+
+ vga_hw_update();
+
+ has_dirty = vnc_refresh_server_surface(vd);
+
+ QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) {
+ rects += vnc_update_client(vs, has_dirty);
+ /* vs might be free()ed here */
+ }
+ /* vd->timer could be NULL now if the last client disconnected,
+ * in this case don't update the timer */
+ if (vd->timer == NULL)
+ return;
+
+ if (has_dirty && rects) {
+ vd->timer_interval /= 2;
+ if (vd->timer_interval < VNC_REFRESH_INTERVAL_BASE)
+ vd->timer_interval = VNC_REFRESH_INTERVAL_BASE;
+ } else {
+ vd->timer_interval += VNC_REFRESH_INTERVAL_INC;
+ if (vd->timer_interval > VNC_REFRESH_INTERVAL_MAX)
+ vd->timer_interval = VNC_REFRESH_INTERVAL_MAX;
+ }
+ qemu_mod_timer(vd->timer, qemu_get_clock(rt_clock) + vd->timer_interval);
+}
+
+static void vnc_init_timer(VncDisplay *vd)
+{
+ vd->timer_interval = VNC_REFRESH_INTERVAL_BASE;
+ if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) {
+ vd->timer = qemu_new_timer(rt_clock, vnc_refresh, vd);
+ vnc_refresh(vd);
+ }
+}
+
+static void vnc_remove_timer(VncDisplay *vd)
+{
+ if (vd->timer != NULL && QTAILQ_EMPTY(&vd->clients)) {
+ qemu_del_timer(vd->timer);
+ qemu_free_timer(vd->timer);
+ vd->timer = NULL;
+ }
+}
+
static void vnc_connect(VncDisplay *vd, int csock)
{
VncState *vs = qemu_mallocz(sizeof(VncState));
socket_set_nonblock(vs->csock);
qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
+ vnc_client_cache_addr(vs);
+ vnc_qmp_event(vs, QEVENT_VNC_CONNECTED);
+
vs->vd = vd;
vs->ds = vd->ds;
- vs->timer = qemu_new_timer(rt_clock, vnc_update_client, vs);
vs->last_x = -1;
vs->last_y = -1;
vs->as.fmt = AUD_FMT_S16;
vs->as.endianness = 0;
- vnc_resize(vs);
+ QTAILQ_INSERT_HEAD(&vd->clients, vs, next);
+
+ vga_hw_update();
+
vnc_write(vs, "RFB 003.008\n", 12);
vnc_flush(vs);
vnc_read_when(vs, protocol_version, 12);
- memset(vs->old_data, 0, ds_get_linesize(vs->ds) * ds_get_height(vs->ds));
- memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
- vnc_update_client(vs);
reset_keys(vs);
+ if (vs->vd->lock_key_sync)
+ vs->led = qemu_add_led_event_handler(kbd_leds, vs);
- vs->next = vd->clients;
- vd->clients = vs;
+ vs->mouse_mode_notifier.notify = check_pointer_type_change;
+ qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier);
+
+ vnc_init_timer(vd);
+
+ /* vs might be free()ed here */
}
static void vnc_listen_read(void *opaque)
/* Catch-up */
vga_hw_update();
- int csock = accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
+ int csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
if (csock != -1) {
vnc_connect(vs, csock);
}
void vnc_display_init(DisplayState *ds)
{
- VncDisplay *vs;
+ VncDisplay *vs = qemu_mallocz(sizeof(*vs));
- vs = qemu_mallocz(sizeof(VncState));
dcl = qemu_mallocz(sizeof(DisplayChangeListener));
ds->opaque = vs;
vs->lsock = -1;
vs->ds = ds;
+ QTAILQ_INIT(&vs->clients);
if (keyboard_layout)
- vs->kbd_layout = init_keyboard_layout(keyboard_layout);
+ vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
else
- vs->kbd_layout = init_keyboard_layout("en-us");
+ vs->kbd_layout = init_keyboard_layout(name2keysym, "en-us");
if (!vs->kbd_layout)
- exit(1);
+ exit(1);
dcl->dpy_copy = vnc_dpy_copy;
dcl->dpy_update = vnc_dpy_update;
dcl->dpy_resize = vnc_dpy_resize;
dcl->dpy_setdata = vnc_dpy_setdata;
register_displaychangelistener(ds, dcl);
+ ds->mouse_set = vnc_mouse_set;
+ ds->cursor_define = vnc_dpy_cursor_define;
}
-#ifdef CONFIG_VNC_TLS
-static int vnc_set_x509_credential(VncDisplay *vs,
- const char *certdir,
- const char *filename,
- char **cred,
- int ignoreMissing)
-{
- struct stat sb;
-
- if (*cred) {
- qemu_free(*cred);
- *cred = NULL;
- }
-
- *cred = qemu_malloc(strlen(certdir) + strlen(filename) + 2);
-
- strcpy(*cred, certdir);
- strcat(*cred, "/");
- strcat(*cred, filename);
-
- VNC_DEBUG("Check %s\n", *cred);
- if (stat(*cred, &sb) < 0) {
- qemu_free(*cred);
- *cred = NULL;
- if (ignoreMissing && errno == ENOENT)
- return 0;
- return -1;
- }
-
- return 0;
-}
-
-static int vnc_set_x509_credential_dir(VncDisplay *vs,
- const char *certdir)
-{
- if (vnc_set_x509_credential(vs, certdir, X509_CA_CERT_FILE, &vs->x509cacert, 0) < 0)
- goto cleanup;
- if (vnc_set_x509_credential(vs, certdir, X509_CA_CRL_FILE, &vs->x509cacrl, 1) < 0)
- goto cleanup;
- if (vnc_set_x509_credential(vs, certdir, X509_SERVER_CERT_FILE, &vs->x509cert, 0) < 0)
- goto cleanup;
- if (vnc_set_x509_credential(vs, certdir, X509_SERVER_KEY_FILE, &vs->x509key, 0) < 0)
- goto cleanup;
-
- return 0;
-
- cleanup:
- qemu_free(vs->x509cacert);
- qemu_free(vs->x509cacrl);
- qemu_free(vs->x509cert);
- qemu_free(vs->x509key);
- vs->x509cacert = vs->x509cacrl = vs->x509cert = vs->x509key = NULL;
- return -1;
-}
-#endif /* CONFIG_VNC_TLS */
void vnc_display_close(DisplayState *ds)
{
if (!vs)
return;
if (vs->display) {
- qemu_free(vs->display);
- vs->display = NULL;
+ qemu_free(vs->display);
+ vs->display = NULL;
}
if (vs->lsock != -1) {
- qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL);
- close(vs->lsock);
- vs->lsock = -1;
+ qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL);
+ close(vs->lsock);
+ vs->lsock = -1;
}
vs->auth = VNC_AUTH_INVALID;
#ifdef CONFIG_VNC_TLS
vs->subauth = VNC_AUTH_INVALID;
- vs->x509verify = 0;
+ vs->tls.x509verify = 0;
#endif
}
{
VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display;
+ if (!vs) {
+ return -1;
+ }
+
if (vs->password) {
- qemu_free(vs->password);
- vs->password = NULL;
+ qemu_free(vs->password);
+ vs->password = NULL;
}
if (password && password[0]) {
- if (!(vs->password = qemu_strdup(password)))
- return -1;
+ if (!(vs->password = qemu_strdup(password)))
+ return -1;
+ if (vs->auth == VNC_AUTH_NONE) {
+ vs->auth = VNC_AUTH_VNC;
+ }
+ } else {
+ vs->auth = VNC_AUTH_NONE;
}
return 0;
}
+char *vnc_display_local_addr(DisplayState *ds)
+{
+ VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display;
+
+ return vnc_socket_local_addr("%s:%s", vs->lsock);
+}
+
int vnc_display_open(DisplayState *ds, const char *display)
{
VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display;
const char *options;
int password = 0;
int reverse = 0;
- int to_port = 0;
#ifdef CONFIG_VNC_TLS
int tls = 0, x509 = 0;
#endif
+#ifdef CONFIG_VNC_SASL
+ int sasl = 0;
+ int saslErr;
+#endif
+ int acl = 0;
+ int lock_key_sync = 1;
if (!vnc_display)
return -1;
vnc_display_close(ds);
if (strcmp(display, "none") == 0)
- return 0;
+ return 0;
if (!(vs->display = strdup(display)))
- return -1;
+ return -1;
options = display;
while ((options = strchr(options, ','))) {
- options++;
- if (strncmp(options, "password", 8) == 0) {
- password = 1; /* Require password auth */
- } else if (strncmp(options, "reverse", 7) == 0) {
- reverse = 1;
- } else if (strncmp(options, "to=", 3) == 0) {
- to_port = atoi(options+3) + 5900;
+ options++;
+ if (strncmp(options, "password", 8) == 0) {
+ password = 1; /* Require password auth */
+ } else if (strncmp(options, "reverse", 7) == 0) {
+ reverse = 1;
+ } else if (strncmp(options, "no-lock-key-sync", 9) == 0) {
+ lock_key_sync = 0;
+#ifdef CONFIG_VNC_SASL
+ } else if (strncmp(options, "sasl", 4) == 0) {
+ sasl = 1; /* Require SASL auth */
+#endif
+#ifdef CONFIG_VNC_TLS
+ } else if (strncmp(options, "tls", 3) == 0) {
+ tls = 1; /* Require TLS */
+ } else if (strncmp(options, "x509", 4) == 0) {
+ char *start, *end;
+ x509 = 1; /* Require x509 certificates */
+ if (strncmp(options, "x509verify", 10) == 0)
+ vs->tls.x509verify = 1; /* ...and verify client certs */
+
+ /* Now check for 'x509=/some/path' postfix
+ * and use that to setup x509 certificate/key paths */
+ start = strchr(options, '=');
+ end = strchr(options, ',');
+ if (start && (!end || (start < end))) {
+ int len = end ? end-(start+1) : strlen(start+1);
+ char *path = qemu_strndup(start + 1, len);
+
+ VNC_DEBUG("Trying certificate path '%s'\n", path);
+ if (vnc_tls_set_x509_creds_dir(vs, path) < 0) {
+ fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path);
+ qemu_free(path);
+ qemu_free(vs->display);
+ vs->display = NULL;
+ return -1;
+ }
+ qemu_free(path);
+ } else {
+ fprintf(stderr, "No certificate path provided\n");
+ qemu_free(vs->display);
+ vs->display = NULL;
+ return -1;
+ }
+#endif
+ } else if (strncmp(options, "acl", 3) == 0) {
+ acl = 1;
+ }
+ }
+
#ifdef CONFIG_VNC_TLS
- } else if (strncmp(options, "tls", 3) == 0) {
- tls = 1; /* Require TLS */
- } else if (strncmp(options, "x509", 4) == 0) {
- char *start, *end;
- x509 = 1; /* Require x509 certificates */
- if (strncmp(options, "x509verify", 10) == 0)
- vs->x509verify = 1; /* ...and verify client certs */
-
- /* Now check for 'x509=/some/path' postfix
- * and use that to setup x509 certificate/key paths */
- start = strchr(options, '=');
- end = strchr(options, ',');
- if (start && (!end || (start < end))) {
- int len = end ? end-(start+1) : strlen(start+1);
- char *path = qemu_strndup(start + 1, len);
-
- VNC_DEBUG("Trying certificate path '%s'\n", path);
- if (vnc_set_x509_credential_dir(vs, path) < 0) {
- fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path);
- qemu_free(path);
- qemu_free(vs->display);
- vs->display = NULL;
- return -1;
- }
- qemu_free(path);
- } else {
- fprintf(stderr, "No certificate path provided\n");
- qemu_free(vs->display);
- vs->display = NULL;
- return -1;
- }
+ if (acl && x509 && vs->tls.x509verify) {
+ if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) {
+ fprintf(stderr, "Failed to create x509 dname ACL\n");
+ exit(1);
+ }
+ }
#endif
- }
+#ifdef CONFIG_VNC_SASL
+ if (acl && sasl) {
+ if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) {
+ fprintf(stderr, "Failed to create username ACL\n");
+ exit(1);
+ }
}
+#endif
+ /*
+ * Combinations we support here:
+ *
+ * - no-auth (clear text, no auth)
+ * - password (clear text, weak auth)
+ * - sasl (encrypt, good auth *IF* using Kerberos via GSSAPI)
+ * - tls (encrypt, weak anonymous creds, no auth)
+ * - tls + password (encrypt, weak anonymous creds, weak auth)
+ * - tls + sasl (encrypt, weak anonymous creds, good auth)
+ * - tls + x509 (encrypt, good x509 creds, no auth)
+ * - tls + x509 + password (encrypt, good x509 creds, weak auth)
+ * - tls + x509 + sasl (encrypt, good x509 creds, good auth)
+ *
+ * NB1. TLS is a stackable auth scheme.
+ * NB2. the x509 schemes have option to validate a client cert dname
+ */
if (password) {
#ifdef CONFIG_VNC_TLS
- if (tls) {
- vs->auth = VNC_AUTH_VENCRYPT;
- if (x509) {
- VNC_DEBUG("Initializing VNC server with x509 password auth\n");
- vs->subauth = VNC_AUTH_VENCRYPT_X509VNC;
- } else {
- VNC_DEBUG("Initializing VNC server with TLS password auth\n");
- vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC;
- }
- } else {
-#endif
- VNC_DEBUG("Initializing VNC server with password auth\n");
- vs->auth = VNC_AUTH_VNC;
+ if (tls) {
+ vs->auth = VNC_AUTH_VENCRYPT;
+ if (x509) {
+ VNC_DEBUG("Initializing VNC server with x509 password auth\n");
+ vs->subauth = VNC_AUTH_VENCRYPT_X509VNC;
+ } else {
+ VNC_DEBUG("Initializing VNC server with TLS password auth\n");
+ vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC;
+ }
+ } else {
+#endif /* CONFIG_VNC_TLS */
+ VNC_DEBUG("Initializing VNC server with password auth\n");
+ vs->auth = VNC_AUTH_VNC;
#ifdef CONFIG_VNC_TLS
- vs->subauth = VNC_AUTH_INVALID;
- }
-#endif
+ vs->subauth = VNC_AUTH_INVALID;
+ }
+#endif /* CONFIG_VNC_TLS */
+#ifdef CONFIG_VNC_SASL
+ } else if (sasl) {
+#ifdef CONFIG_VNC_TLS
+ if (tls) {
+ vs->auth = VNC_AUTH_VENCRYPT;
+ if (x509) {
+ VNC_DEBUG("Initializing VNC server with x509 SASL auth\n");
+ vs->subauth = VNC_AUTH_VENCRYPT_X509SASL;
+ } else {
+ VNC_DEBUG("Initializing VNC server with TLS SASL auth\n");
+ vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL;
+ }
+ } else {
+#endif /* CONFIG_VNC_TLS */
+ VNC_DEBUG("Initializing VNC server with SASL auth\n");
+ vs->auth = VNC_AUTH_SASL;
+#ifdef CONFIG_VNC_TLS
+ vs->subauth = VNC_AUTH_INVALID;
+ }
+#endif /* CONFIG_VNC_TLS */
+#endif /* CONFIG_VNC_SASL */
} else {
#ifdef CONFIG_VNC_TLS
- if (tls) {
- vs->auth = VNC_AUTH_VENCRYPT;
- if (x509) {
- VNC_DEBUG("Initializing VNC server with x509 no auth\n");
- vs->subauth = VNC_AUTH_VENCRYPT_X509NONE;
- } else {
- VNC_DEBUG("Initializing VNC server with TLS no auth\n");
- vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE;
- }
- } else {
+ if (tls) {
+ vs->auth = VNC_AUTH_VENCRYPT;
+ if (x509) {
+ VNC_DEBUG("Initializing VNC server with x509 no auth\n");
+ vs->subauth = VNC_AUTH_VENCRYPT_X509NONE;
+ } else {
+ VNC_DEBUG("Initializing VNC server with TLS no auth\n");
+ vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE;
+ }
+ } else {
#endif
- VNC_DEBUG("Initializing VNC server with no auth\n");
- vs->auth = VNC_AUTH_NONE;
+ VNC_DEBUG("Initializing VNC server with no auth\n");
+ vs->auth = VNC_AUTH_NONE;
#ifdef CONFIG_VNC_TLS
- vs->subauth = VNC_AUTH_INVALID;
- }
+ vs->subauth = VNC_AUTH_INVALID;
+ }
#endif
}
+#ifdef CONFIG_VNC_SASL
+ if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) {
+ fprintf(stderr, "Failed to initialize SASL auth %s",
+ sasl_errstring(saslErr, NULL, NULL));
+ free(vs->display);
+ vs->display = NULL;
+ return -1;
+ }
+#endif
+ vs->lock_key_sync = lock_key_sync;
+
if (reverse) {
/* connect to viewer */
if (strncmp(display, "unix:", 5) == 0)
projects / qemu.git / blobdiff