/*
* QEMU VNC display driver
- *
+ *
* Copyright (C) 2006 Fabrice Bellard
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* THE SOFTWARE.
*/
-#include "vl.h"
+#include "qemu-common.h"
+#include "console.h"
+#include "sysemu.h"
#include "qemu_socket.h"
+#include "qemu-timer.h"
+#include "audio/audio.h"
#define VNC_REFRESH_INTERVAL (1000 / 30)
#include "keymaps.c"
#include "d3des.h"
-// #define _VNC_DEBUG
+#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 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
+
typedef struct Buffer
{
size_t capacity;
size_t offset;
- char *buffer;
+ uint8_t *buffer;
} Buffer;
typedef struct VncState VncState;
-typedef int VncReadEvent(VncState *vs, char *data, size_t len);
+typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len);
typedef void VncWritePixels(VncState *vs, void *data, int size);
typedef void VncSendHextileTile(VncState *vs,
int x, int y, int w, int h,
- uint32_t *last_bg,
- uint32_t *last_fg,
+ void *last_bg,
+ void *last_fg,
int *has_bg, int *has_fg);
#define VNC_MAX_WIDTH 2048
VNC_AUTH_VENCRYPT = 19
};
+#ifdef CONFIG_VNC_TLS
+enum {
+ VNC_WIREMODE_CLEAR,
+ VNC_WIREMODE_TLS,
+};
+
+enum {
+ VNC_AUTH_VENCRYPT_PLAIN = 256,
+ VNC_AUTH_VENCRYPT_TLSNONE = 257,
+ VNC_AUTH_VENCRYPT_TLSVNC = 258,
+ VNC_AUTH_VENCRYPT_TLSPLAIN = 259,
+ VNC_AUTH_VENCRYPT_X509NONE = 260,
+ VNC_AUTH_VENCRYPT_X509VNC = 261,
+ VNC_AUTH_VENCRYPT_X509PLAIN = 262,
+};
+
+#define X509_CA_CERT_FILE "ca-cert.pem"
+#define X509_CA_CRL_FILE "ca-crl.pem"
+#define X509_SERVER_KEY_FILE "server-key.pem"
+#define X509_SERVER_CERT_FILE "server-cert.pem"
+
+#endif /* CONFIG_VNC_TLS */
+
struct VncState
{
QEMUTimer *timer;
int has_resize;
int has_hextile;
int has_pointer_type_change;
+ int has_WMVi;
int absolute;
int last_x;
int last_y;
char *display;
char *password;
int auth;
+#ifdef CONFIG_VNC_TLS
+ int subauth;
+ int x509verify;
+
+ char *x509cacert;
+ char *x509cacrl;
+ char *x509cert;
+ char *x509key;
+#endif
char challenge[VNC_AUTH_CHALLENGE_SIZE];
+#ifdef CONFIG_VNC_TLS
+ int wiremode;
+ gnutls_session_t tls_session;
+#endif
+
Buffer output;
Buffer input;
kbd_layout_t *kbd_layout;
VncWritePixels *write_pixels;
VncSendHextileTile *send_hextile_tile;
int pix_bpp, pix_big_endian;
- int red_shift, red_max, red_shift1;
- int green_shift, green_max, green_shift1;
- int blue_shift, blue_max, blue_shift1;
+ int client_red_shift, client_red_max, server_red_shift, server_red_max;
+ int client_green_shift, client_green_max, server_green_shift, server_green_max;
+ int client_blue_shift, client_blue_max, server_blue_shift, server_blue_max;
+
+ CaptureVoiceOut *audio_cap;
+ struct audsettings as;
VncReadEvent *read_handler;
size_t read_handler_expect;
static void vnc_update_client(void *opaque);
static void vnc_client_read(void *opaque);
+static void vnc_colordepth(DisplayState *ds, int depth);
+
static inline void vnc_set_bit(uint32_t *d, int k)
{
d[k >> 5] |= 1 << (k & 0x1f);
d[j++] = -1;
n -= 32;
}
- if (n > 0)
+ if (n > 0)
d[j++] = (1 << n) - 1;
while (j < nb_words)
d[j++] = 0;
return (d[k >> 5] >> (k & 0x1f)) & 1;
}
-static inline int vnc_and_bits(const uint32_t *d1, const uint32_t *d2,
+static inline int vnc_and_bits(const uint32_t *d1, const uint32_t *d2,
int nb_words)
{
int i;
h += y;
+ /* round x down to ensure the loop only spans one 16-pixel block per,
+ iteration. otherwise, if (x % 16) != 0, the last iteration may span
+ two 16-pixel blocks but we only mark the first as dirty
+ */
+ w += (x % 16);
+ x -= (x % 16);
+
+ x = MIN(x, vs->width);
+ y = MIN(y, vs->height);
+ w = MIN(x + w, vs->width) - x;
+ h = MIN(h, vs->height);
+
for (; y < h; y++)
for (i = 0; i < w; i += 16)
vnc_set_bit(vs->dirty_row[y], (x + i) / 16);
int size_changed;
VncState *vs = ds->opaque;
- ds->data = realloc(ds->data, w * h * vs->depth);
- vs->old_data = realloc(vs->old_data, w * h * vs->depth);
+ ds->data = qemu_realloc(ds->data, w * h * vs->depth);
+ vs->old_data = qemu_realloc(vs->old_data, w * h * vs->depth);
if (ds->data == NULL || vs->old_data == NULL) {
fprintf(stderr, "vnc: memory allocation failed\n");
exit(1);
}
- ds->depth = vs->depth * 8;
+ if (ds->depth != vs->depth * 8) {
+ ds->depth = vs->depth * 8;
+ console_color_init(ds);
+ }
size_changed = ds->width != w || ds->height != h;
ds->width = w;
ds->height = h;
ds->linesize = w * vs->depth;
- if (vs->csock != -1 && vs->has_resize && size_changed) {
- 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->width, ds->height, -223);
- vnc_flush(vs);
- vs->width = ds->width;
- vs->height = ds->height;
+ if (size_changed) {
+ vs->width = ds->width;
+ vs->height = ds->height;
+ if (vs->csock != -1 && vs->has_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->width, ds->height, -223);
+ vnc_flush(vs);
+ }
}
+
+ memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
+ memset(vs->old_data, 42, ds_get_linesize(vs->ds) * ds_get_height(vs->ds));
}
/* fastest code */
/* slowest but generic code. */
static void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v)
{
- unsigned int r, g, b;
-
- r = (v >> vs->red_shift1) & vs->red_max;
- g = (v >> vs->green_shift1) & vs->green_max;
- b = (v >> vs->blue_shift1) & vs->blue_max;
- v = (r << vs->red_shift) |
- (g << vs->green_shift) |
- (b << vs->blue_shift);
+ uint8_t r, g, b;
+
+ r = ((v >> vs->server_red_shift) & vs->server_red_max) * (vs->client_red_max + 1) /
+ (vs->server_red_max + 1);
+ g = ((v >> vs->server_green_shift) & vs->server_green_max) * (vs->client_green_max + 1) /
+ (vs->server_green_max + 1);
+ b = ((v >> vs->server_blue_shift) & vs->server_blue_max) * (vs->client_blue_max + 1) /
+ (vs->server_blue_max + 1);
+ v = (r << vs->client_red_shift) |
+ (g << vs->client_green_shift) |
+ (b << vs->client_blue_shift);
switch(vs->pix_bpp) {
case 1:
buf[0] = v;
static void vnc_write_pixels_generic(VncState *vs, void *pixels1, int size)
{
- uint32_t *pixels = pixels1;
uint8_t buf[4];
- int n, i;
- n = size >> 2;
- for(i = 0; i < n; i++) {
- vnc_convert_pixel(vs, buf, pixels[i]);
- vnc_write(vs, buf, vs->pix_bpp);
+ if (vs->depth == 4) {
+ uint32_t *pixels = pixels1;
+ int n, i;
+ n = size >> 2;
+ for(i = 0; i < n; i++) {
+ vnc_convert_pixel(vs, buf, pixels[i]);
+ vnc_write(vs, buf, vs->pix_bpp);
+ }
+ } else if (vs->depth == 2) {
+ uint16_t *pixels = pixels1;
+ int n, i;
+ n = size >> 1;
+ for(i = 0; i < n; i++) {
+ vnc_convert_pixel(vs, buf, pixels[i]);
+ vnc_write(vs, buf, vs->pix_bpp);
+ }
+ } else if (vs->depth == 1) {
+ uint8_t *pixels = pixels1;
+ int n, i;
+ n = size;
+ for(i = 0; i < n; i++) {
+ vnc_convert_pixel(vs, buf, pixels[i]);
+ vnc_write(vs, buf, vs->pix_bpp);
+ }
+ } else {
+ fprintf(stderr, "vnc_write_pixels_generic: VncState color depth not supported\n");
}
}
static void send_framebuffer_update_raw(VncState *vs, int x, int y, int w, int h)
{
int i;
- char *row;
+ uint8_t *row;
vnc_framebuffer_update(vs, x, y, w, h, 0);
- row = vs->ds->data + y * vs->ds->linesize + x * vs->depth;
+ row = ds_get_data(vs->ds) + y * ds_get_linesize(vs->ds) + x * vs->depth;
for (i = 0; i < h; i++) {
vs->write_pixels(vs, row, w * vs->depth);
- row += vs->ds->linesize;
+ row += ds_get_linesize(vs->ds);
}
}
#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"
{
int i, j;
int has_fg, has_bg;
- uint32_t last_fg32, last_bg32;
+ uint8_t *last_fg, *last_bg;
vnc_framebuffer_update(vs, x, y, w, h, 5);
+ last_fg = (uint8_t *) malloc(vs->depth);
+ last_bg = (uint8_t *) malloc(vs->depth);
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,
+ vs->send_hextile_tile(vs, i, j,
MIN(16, x + w - i), MIN(16, y + h - j),
- &last_bg32, &last_fg32, &has_bg, &has_fg);
+ last_bg, last_fg, &has_bg, &has_fg);
}
}
+ free(last_fg);
+ free(last_bg);
+
}
static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
static void vnc_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
{
int src, dst;
- char *src_row;
- char *dst_row;
+ uint8_t *src_row;
+ uint8_t *dst_row;
char *old_row;
int y = 0;
- int pitch = ds->linesize;
+ int pitch = ds_get_linesize(ds);
VncState *vs = ds->opaque;
vnc_update_client(vs);
pitch = -pitch;
}
- src = (ds->linesize * (src_y + y) + vs->depth * src_x);
- dst = (ds->linesize * (dst_y + y) + vs->depth * dst_x);
+ src = (ds_get_linesize(ds) * (src_y + y) + vs->depth * src_x);
+ dst = (ds_get_linesize(ds) * (dst_y + y) + vs->depth * dst_x);
- src_row = ds->data + src;
- dst_row = ds->data + dst;
+ src_row = ds_get_data(ds) + src;
+ dst_row = ds_get_data(ds) + dst;
old_row = vs->old_data + dst;
for (y = 0; y < h; y++) {
if (vs->need_update && vs->csock != -1) {
int y;
- char *row;
+ 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, (vs->width / 16), VNC_DIRTY_WORDS);
/* Walk through the dirty map and eliminate tiles that
really aren't dirty */
- row = vs->ds->data;
+ row = ds_get_data(vs->ds);
old_row = vs->old_data;
for (y = 0; y < vs->height; y++) {
if (vnc_and_bits(vs->dirty_row[y], width_mask, VNC_DIRTY_WORDS)) {
int x;
- char *ptr, *old_ptr;
+ uint8_t *ptr;
+ char *old_ptr;
ptr = row;
- old_ptr = old_row;
+ old_ptr = (char*)old_row;
- for (x = 0; x < vs->ds->width; x += 16) {
+ for (x = 0; x < ds_get_width(vs->ds); x += 16) {
if (memcmp(old_ptr, ptr, 16 * vs->depth) == 0) {
vnc_clear_bit(vs->dirty_row[y], (x / 16));
} else {
}
}
- row += vs->ds->linesize;
- old_row += vs->ds->linesize;
+ row += ds_get_linesize(vs->ds);
+ old_row += ds_get_linesize(vs->ds);
}
- if (!has_dirty) {
+ if (!has_dirty && !vs->audio_cap) {
qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL);
return;
}
vnc_flush(vs);
}
- qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL);
-}
-static void vnc_timer_init(VncState *vs)
-{
- if (vs->timer == NULL) {
- vs->timer = qemu_new_timer(rt_clock, vnc_update_client, vs);
- qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock));
+ if (vs->csock != -1) {
+ qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL);
}
-}
-static void vnc_dpy_refresh(DisplayState *ds)
-{
- VncState *vs = ds->opaque;
- vnc_timer_init(vs);
- vga_hw_update();
}
static int vnc_listen_poll(void *opaque)
{
if ((buffer->capacity - buffer->offset) < len) {
buffer->capacity += (len + 1024);
- buffer->buffer = realloc(buffer->buffer, buffer->capacity);
+ buffer->buffer = qemu_realloc(buffer->buffer, buffer->capacity);
if (buffer->buffer == NULL) {
fprintf(stderr, "vnc: out of memory\n");
exit(1);
return buffer->offset == 0;
}
-static char *buffer_end(Buffer *buffer)
+static uint8_t *buffer_end(Buffer *buffer)
{
return buffer->buffer + buffer->offset;
}
buffer->offset += len;
}
+/* audio */
+static void audio_capture_notify(void *opaque, audcnotification_e cmd)
+{
+ VncState *vs = opaque;
+
+ switch (cmd) {
+ case AUD_CNOTIFY_DISABLE:
+ vnc_write_u8(vs, 255);
+ vnc_write_u8(vs, 1);
+ vnc_write_u16(vs, 0);
+ vnc_flush(vs);
+ break;
+
+ case AUD_CNOTIFY_ENABLE:
+ vnc_write_u8(vs, 255);
+ vnc_write_u8(vs, 1);
+ vnc_write_u16(vs, 1);
+ vnc_flush(vs);
+ break;
+ }
+}
+
+static void audio_capture_destroy(void *opaque)
+{
+}
+
+static void audio_capture(void *opaque, void *buf, int size)
+{
+ VncState *vs = opaque;
+
+ vnc_write_u8(vs, 255);
+ vnc_write_u8(vs, 1);
+ vnc_write_u16(vs, 2);
+ vnc_write_u32(vs, size);
+ vnc_write(vs, buf, size);
+ vnc_flush(vs);
+}
+
+static void audio_add(VncState *vs)
+{
+ struct audio_capture_ops ops;
+
+ if (vs->audio_cap) {
+ term_printf ("audio already running\n");
+ return;
+ }
+
+ ops.notify = audio_capture_notify;
+ ops.destroy = audio_capture_destroy;
+ ops.capture = audio_capture;
+
+ vs->audio_cap = AUD_add_capture(NULL, &vs->as, &ops, vs);
+ if (!vs->audio_cap) {
+ term_printf ("Failed to add audio capture\n");
+ }
+}
+
+static void audio_del(VncState *vs)
+{
+ if (vs->audio_cap) {
+ AUD_del_capture(vs->audio_cap, vs);
+ vs->audio_cap = NULL;
+ }
+}
+
static int vnc_client_io_error(VncState *vs, int ret, int last_errno)
{
if (ret == 0 || ret == -1) {
- if (ret == -1 && (last_errno == EINTR || last_errno == EAGAIN))
- return 0;
+ if (ret == -1) {
+ switch (last_errno) {
+ case EINTR:
+ case EAGAIN:
+#ifdef _WIN32
+ case WSAEWOULDBLOCK:
+#endif
+ return 0;
+ default:
+ break;
+ }
+ }
+ 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);
vs->csock = -1;
+ vs->ds->idle = 1;
buffer_reset(&vs->input);
buffer_reset(&vs->output);
vs->need_update = 0;
+#ifdef CONFIG_VNC_TLS
+ if (vs->tls_session) {
+ gnutls_deinit(vs->tls_session);
+ vs->tls_session = NULL;
+ }
+ vs->wiremode = VNC_WIREMODE_CLEAR;
+#endif /* CONFIG_VNC_TLS */
+ audio_del(vs);
return 0;
}
return ret;
long ret;
VncState *vs = opaque;
- ret = send(vs->csock, vs->output.buffer, vs->output.offset, 0);
+#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;
+ }
+ } 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());
if (!ret)
return;
buffer_reserve(&vs->input, 4096);
- ret = recv(vs->csock, buffer_end(&vs->input), 4096, 0);
+#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;
+ }
+ } 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;
(data[offset + 2] << 8) | data[offset + 3]);
}
-static void client_cut_text(VncState *vs, size_t len, char *text)
+#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;
+}
+
+
+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)
{
}
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1);
vnc_framebuffer_update(vs, absolute, 0,
- vs->ds->width, vs->ds->height, -257);
+ ds_get_width(vs->ds), ds_get_height(vs->ds), -257);
vnc_flush(vs);
}
vs->absolute = absolute;
dz = 1;
if (vs->absolute) {
- kbd_mouse_event(x * 0x7FFF / vs->ds->width,
- y * 0x7FFF / vs->ds->height,
+ kbd_mouse_event(x * 0x7FFF / (ds_get_width(vs->ds) - 1),
+ y * 0x7FFF / (ds_get_height(vs->ds) - 1),
dz, buttons);
} else if (vs->has_pointer_type_change) {
x -= 0x7FFF;
}
}
-static void do_key_event(VncState *vs, int down, uint32_t sym)
+static void press_key(VncState *vs, int keysym)
{
- int keycode;
+ kbd_put_keycode(keysym2scancode(vs->kbd_layout, keysym) & 0x7f);
+ kbd_put_keycode(keysym2scancode(vs->kbd_layout, keysym) | 0x80);
+}
- keycode = keysym2scancode(vs->kbd_layout, sym & 0xFFFF);
-
+static void do_key_event(VncState *vs, int down, int keycode, int sym)
+{
/* QEMU console switch */
switch(keycode) {
case 0x2a: /* Left Shift */
else
vs->modifiers_state[keycode] = 0;
break;
- case 0x02 ... 0x0a: /* '1' to '9' keys */
+ case 0x02 ... 0x0a: /* '1' to '9' keys */
if (down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) {
/* Reset the modifiers sent to the current console */
reset_keys(vs);
return;
}
break;
+ case 0x3a: /* CapsLock */
+ case 0x45: /* NumLock */
+ if (!down)
+ vs->modifiers_state[keycode] ^= 1;
+ break;
+ }
+
+ if (keycode_is_keypad(vs->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 (keysym_is_numlock(vs->kbd_layout, sym & 0xFFFF)) {
+ if (!vs->modifiers_state[0x45]) {
+ vs->modifiers_state[0x45] = 1;
+ press_key(vs, 0xff7f);
+ }
+ } else {
+ if (vs->modifiers_state[0x45]) {
+ vs->modifiers_state[0x45] = 0;
+ press_key(vs, 0xff7f);
+ }
+ }
}
if (is_graphic_console()) {
static void key_event(VncState *vs, int down, uint32_t sym)
{
- if (sym >= 'A' && sym <= 'Z')
+ int keycode;
+
+ if (sym >= 'A' && sym <= 'Z' && is_graphic_console())
sym = sym - 'A' + 'a';
- do_key_event(vs, down, sym);
+
+ keycode = keysym2scancode(vs->kbd_layout, sym & 0xFFFF);
+ do_key_event(vs, down, keycode, sym);
+}
+
+static void ext_key_event(VncState *vs, int down,
+ uint32_t sym, uint16_t keycode)
+{
+ /* if the user specifies a keyboard layout, always use it */
+ if (keyboard_layout)
+ key_event(vs, down, sym);
+ else
+ 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)
{
- if (x_position > vs->ds->width)
- x_position = vs->ds->width;
- if (y_position > vs->ds->height)
- y_position = vs->ds->height;
- if (x_position + w >= vs->ds->width)
- w = vs->ds->width - x_position;
- if (y_position + h >= vs->ds->height)
- h = vs->ds->height - y_position;
+ 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 * vs->ds->linesize;
+ 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->ds->width / 16), VNC_DIRTY_WORDS);
- memset(old_row, 42, vs->ds->width * vs->depth);
- old_row += vs->ds->linesize;
+ vnc_set_bits(vs->dirty_row[y_position + i],
+ (ds_get_width(vs->ds) / 16), VNC_DIRTY_WORDS);
+ memset(old_row, 42, ds_get_width(vs->ds) * vs->depth);
+ 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, 0);
+ vnc_write_u16(vs, 1);
+ vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds), -258);
+ vnc_flush(vs);
+}
+
+static void send_ext_audio_ack(VncState *vs)
+{
+ vnc_write_u8(vs, 0);
+ 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), -259);
+ vnc_flush(vs);
+}
+
static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
{
int i;
vs->has_hextile = 0;
vs->has_resize = 0;
vs->has_pointer_type_change = 0;
+ vs->has_WMVi = 0;
vs->absolute = -1;
vs->ds->dpy_copy = NULL;
case -257:
vs->has_pointer_type_change = 1;
break;
+ case -258:
+ send_ext_key_event_ack(vs);
+ break;
+ case -259:
+ send_ext_audio_ack(vs);
+ break;
+ case 0x574D5669:
+ vs->has_WMVi = 1;
+ break;
default:
break;
}
check_pointer_type_change(vs, kbd_mouse_is_absolute());
}
-static int compute_nbits(unsigned int val)
-{
- int n;
- n = 0;
- while (val != 0) {
- n++;
- val >>= 1;
- }
- return n;
-}
-
static void set_pixel_format(VncState *vs,
int bits_per_pixel, int depth,
int big_endian_flag, int true_color_flag,
vnc_client_error(vs);
return;
}
- if (bits_per_pixel == 32 &&
+ if (bits_per_pixel == 32 &&
+ bits_per_pixel == vs->depth * 8 &&
host_big_endian_flag == big_endian_flag &&
red_max == 0xff && green_max == 0xff && blue_max == 0xff &&
red_shift == 16 && green_shift == 8 && blue_shift == 0) {
vs->depth = 4;
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_32;
- } else
- if (bits_per_pixel == 16 &&
+ } else
+ if (bits_per_pixel == 16 &&
+ bits_per_pixel == vs->depth * 8 &&
host_big_endian_flag == big_endian_flag &&
red_max == 31 && green_max == 63 && blue_max == 31 &&
red_shift == 11 && green_shift == 5 && blue_shift == 0) {
vs->depth = 2;
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_16;
- } else
- if (bits_per_pixel == 8 &&
+ } else
+ if (bits_per_pixel == 8 &&
+ bits_per_pixel == vs->depth * 8 &&
red_max == 7 && green_max == 7 && blue_max == 3 &&
red_shift == 5 && green_shift == 2 && blue_shift == 0) {
vs->depth = 1;
vs->write_pixels = vnc_write_pixels_copy;
vs->send_hextile_tile = send_hextile_tile_8;
- } else
+ } else
{
/* generic and slower case */
if (bits_per_pixel != 8 &&
bits_per_pixel != 16 &&
bits_per_pixel != 32)
goto fail;
- vs->depth = 4;
- vs->red_shift = red_shift;
- vs->red_max = red_max;
- vs->red_shift1 = 24 - compute_nbits(red_max);
- vs->green_shift = green_shift;
- vs->green_max = green_max;
- vs->green_shift1 = 16 - compute_nbits(green_max);
- vs->blue_shift = blue_shift;
- vs->blue_max = blue_max;
- vs->blue_shift1 = 8 - compute_nbits(blue_max);
- vs->pix_bpp = bits_per_pixel / 8;
+ if (vs->depth == 4) {
+ vs->send_hextile_tile = send_hextile_tile_generic_32;
+ } else if (vs->depth == 2) {
+ vs->send_hextile_tile = send_hextile_tile_generic_16;
+ } else {
+ vs->send_hextile_tile = send_hextile_tile_generic_8;
+ }
+
vs->pix_big_endian = big_endian_flag;
vs->write_pixels = vnc_write_pixels_generic;
- vs->send_hextile_tile = send_hextile_tile_generic;
}
- vnc_dpy_resize(vs->ds, vs->ds->width, vs->ds->height);
- memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
- memset(vs->old_data, 42, vs->ds->linesize * vs->ds->height);
+ vs->client_red_shift = red_shift;
+ vs->client_red_max = red_max;
+ vs->client_green_shift = green_shift;
+ vs->client_green_max = green_max;
+ vs->client_blue_shift = blue_shift;
+ vs->client_blue_max = blue_max;
+ vs->pix_bpp = bits_per_pixel / 8;
vga_hw_invalidate();
vga_hw_update();
}
-static int protocol_client_msg(VncState *vs, char *data, size_t len)
+static void pixel_format_message (VncState *vs) {
+ char pad[3] = { 0, 0, 0 };
+
+ vnc_write_u8(vs, vs->depth * 8); /* bits-per-pixel */
+ if (vs->depth == 4) vnc_write_u8(vs, 24); /* depth */
+ else vnc_write_u8(vs, vs->depth * 8); /* depth */
+
+#ifdef WORDS_BIGENDIAN
+ vnc_write_u8(vs, 1); /* big-endian-flag */
+#else
+ vnc_write_u8(vs, 0); /* big-endian-flag */
+#endif
+ vnc_write_u8(vs, 1); /* true-color-flag */
+ if (vs->depth == 4) {
+ vnc_write_u16(vs, 0xFF); /* red-max */
+ vnc_write_u16(vs, 0xFF); /* green-max */
+ vnc_write_u16(vs, 0xFF); /* blue-max */
+ vnc_write_u8(vs, 16); /* red-shift */
+ vnc_write_u8(vs, 8); /* green-shift */
+ vnc_write_u8(vs, 0); /* blue-shift */
+ vs->send_hextile_tile = send_hextile_tile_32;
+ } else if (vs->depth == 2) {
+ vnc_write_u16(vs, 31); /* red-max */
+ vnc_write_u16(vs, 63); /* green-max */
+ vnc_write_u16(vs, 31); /* blue-max */
+ vnc_write_u8(vs, 11); /* red-shift */
+ vnc_write_u8(vs, 5); /* green-shift */
+ vnc_write_u8(vs, 0); /* blue-shift */
+ vs->send_hextile_tile = send_hextile_tile_16;
+ } else if (vs->depth == 1) {
+ /* XXX: change QEMU pixel 8 bit pixel format to match the VNC one ? */
+ vnc_write_u16(vs, 7); /* red-max */
+ vnc_write_u16(vs, 7); /* green-max */
+ vnc_write_u16(vs, 3); /* blue-max */
+ vnc_write_u8(vs, 5); /* red-shift */
+ vnc_write_u8(vs, 2); /* green-shift */
+ vnc_write_u8(vs, 0); /* blue-shift */
+ vs->send_hextile_tile = send_hextile_tile_8;
+ }
+ vs->client_red_max = vs->server_red_max;
+ vs->client_green_max = vs->server_green_max;
+ vs->client_blue_max = vs->server_blue_max;
+ vs->client_red_shift = vs->server_red_shift;
+ vs->client_green_shift = vs->server_green_shift;
+ vs->client_blue_shift = vs->server_blue_shift;
+ vs->pix_bpp = vs->depth * 8;
+ vs->write_pixels = vnc_write_pixels_copy;
+
+ vnc_write(vs, pad, 3); /* padding */
+}
+
+static void vnc_colordepth(DisplayState *ds, int depth)
+{
+ int host_big_endian_flag;
+ struct VncState *vs = ds->opaque;
+
+ switch (depth) {
+ case 24:
+ if (ds->depth == 32) return;
+ depth = 32;
+ break;
+ case 15:
+ case 8:
+ case 0:
+ return;
+ default:
+ break;
+ }
+
+#ifdef WORDS_BIGENDIAN
+ host_big_endian_flag = 1;
+#else
+ host_big_endian_flag = 0;
+#endif
+
+ switch (depth) {
+ case 8:
+ vs->depth = depth / 8;
+ vs->server_red_max = 7;
+ vs->server_green_max = 7;
+ vs->server_blue_max = 3;
+ vs->server_red_shift = 5;
+ vs->server_green_shift = 2;
+ vs->server_blue_shift = 0;
+ break;
+ case 16:
+ vs->depth = depth / 8;
+ vs->server_red_max = 31;
+ vs->server_green_max = 63;
+ vs->server_blue_max = 31;
+ vs->server_red_shift = 11;
+ vs->server_green_shift = 5;
+ vs->server_blue_shift = 0;
+ break;
+ case 32:
+ vs->depth = 4;
+ vs->server_red_max = 255;
+ vs->server_green_max = 255;
+ vs->server_blue_max = 255;
+ vs->server_red_shift = 16;
+ vs->server_green_shift = 8;
+ vs->server_blue_shift = 0;
+ break;
+ default:
+ return;
+ }
+
+ if (vs->csock != -1 && vs->has_WMVi) {
+ /* Sending a WMVi message to notify the client*/
+ 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->width, ds->height, 0x574D5669);
+ pixel_format_message(vs);
+ vnc_flush(vs);
+ } else {
+ if (vs->pix_bpp == 4 && vs->depth == 4 &&
+ host_big_endian_flag == vs->pix_big_endian &&
+ vs->client_red_max == 0xff && vs->client_green_max == 0xff && vs->client_blue_max == 0xff &&
+ vs->client_red_shift == 16 && vs->client_green_shift == 8 && vs->client_blue_shift == 0) {
+ vs->write_pixels = vnc_write_pixels_copy;
+ vs->send_hextile_tile = send_hextile_tile_32;
+ } else if (vs->pix_bpp == 2 && vs->depth == 2 &&
+ host_big_endian_flag == vs->pix_big_endian &&
+ vs->client_red_max == 31 && vs->client_green_max == 63 && vs->client_blue_max == 31 &&
+ vs->client_red_shift == 11 && vs->client_green_shift == 5 && vs->client_blue_shift == 0) {
+ vs->write_pixels = vnc_write_pixels_copy;
+ vs->send_hextile_tile = send_hextile_tile_16;
+ } else if (vs->pix_bpp == 1 && vs->depth == 1 &&
+ host_big_endian_flag == vs->pix_big_endian &&
+ vs->client_red_max == 7 && vs->client_green_max == 7 && vs->client_blue_max == 3 &&
+ vs->client_red_shift == 5 && vs->client_green_shift == 2 && vs->client_blue_shift == 0) {
+ vs->write_pixels = vnc_write_pixels_copy;
+ vs->send_hextile_tile = send_hextile_tile_8;
+ } else {
+ if (vs->depth == 4) {
+ vs->send_hextile_tile = send_hextile_tile_generic_32;
+ } else if (vs->depth == 2) {
+ vs->send_hextile_tile = send_hextile_tile_generic_16;
+ } else {
+ vs->send_hextile_tile = send_hextile_tile_generic_8;
+ }
+ vs->write_pixels = vnc_write_pixels_generic;
+ }
+ }
+}
+
+static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
{
int i;
uint16_t limit;
if (len == 1)
return 8;
- if (len == 8)
- return 8 + read_u32(data, 4);
+ 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:
+ if (len == 1)
+ return 2;
+
+ switch (read_u8(data, 1)) {
+ case 0:
+ if (len == 2)
+ return 12;
+
+ ext_key_event(vs, read_u16(data, 2),
+ read_u32(data, 4), read_u32(data, 8));
+ break;
+ case 1:
+ if (len == 2)
+ return 4;
+
+ switch (read_u16 (data, 2)) {
+ case 0:
+ audio_add(vs);
+ break;
+ case 1:
+ audio_del(vs);
+ break;
+ case 2:
+ if (len == 4)
+ return 10;
+ switch (read_u8(data, 4)) {
+ case 0: vs->as.fmt = AUD_FMT_U8; break;
+ case 1: vs->as.fmt = AUD_FMT_S8; break;
+ case 2: vs->as.fmt = AUD_FMT_U16; break;
+ case 3: vs->as.fmt = AUD_FMT_S16; break;
+ case 4: vs->as.fmt = AUD_FMT_U32; break;
+ case 5: vs->as.fmt = AUD_FMT_S32; break;
+ default:
+ printf("Invalid audio format %d\n", read_u8(data, 4));
+ vnc_client_error(vs);
+ break;
+ }
+ vs->as.nchannels = read_u8(data, 5);
+ if (vs->as.nchannels != 1 && vs->as.nchannels != 2) {
+ printf("Invalid audio channel coount %d\n",
+ read_u8(data, 5));
+ vnc_client_error(vs);
+ break;
+ }
+ vs->as.freq = read_u32(data, 6);
+ break;
+ default:
+ printf ("Invalid audio message %d\n", read_u8(data, 4));
+ vnc_client_error(vs);
+ break;
+ }
+ break;
+
+ default:
+ printf("Msg: %d\n", read_u16(data, 0));
+ vnc_client_error(vs);
+ break;
+ }
+ break;
default:
printf("Msg: %d\n", data[0]);
vnc_client_error(vs);
break;
}
-
+
vnc_read_when(vs, protocol_client_msg, 1);
return 0;
}
-static int protocol_client_init(VncState *vs, char *data, size_t len)
+static int protocol_client_init(VncState *vs, uint8_t *data, size_t len)
{
- char pad[3] = { 0, 0, 0 };
char buf[1024];
int size;
- vs->width = vs->ds->width;
- vs->height = vs->ds->height;
- vnc_write_u16(vs, vs->ds->width);
- vnc_write_u16(vs, vs->ds->height);
+ vs->width = ds_get_width(vs->ds);
+ vs->height = ds_get_height(vs->ds);
+ vnc_write_u16(vs, ds_get_width(vs->ds));
+ vnc_write_u16(vs, ds_get_height(vs->ds));
- vnc_write_u8(vs, vs->depth * 8); /* bits-per-pixel */
- vnc_write_u8(vs, vs->depth * 8); /* depth */
-#ifdef WORDS_BIGENDIAN
- vnc_write_u8(vs, 1); /* big-endian-flag */
-#else
- vnc_write_u8(vs, 0); /* big-endian-flag */
-#endif
- vnc_write_u8(vs, 1); /* true-color-flag */
- if (vs->depth == 4) {
- vnc_write_u16(vs, 0xFF); /* red-max */
- vnc_write_u16(vs, 0xFF); /* green-max */
- vnc_write_u16(vs, 0xFF); /* blue-max */
- vnc_write_u8(vs, 16); /* red-shift */
- vnc_write_u8(vs, 8); /* green-shift */
- vnc_write_u8(vs, 0); /* blue-shift */
- vs->send_hextile_tile = send_hextile_tile_32;
- } else if (vs->depth == 2) {
- vnc_write_u16(vs, 31); /* red-max */
- vnc_write_u16(vs, 63); /* green-max */
- vnc_write_u16(vs, 31); /* blue-max */
- vnc_write_u8(vs, 11); /* red-shift */
- vnc_write_u8(vs, 5); /* green-shift */
- vnc_write_u8(vs, 0); /* blue-shift */
- vs->send_hextile_tile = send_hextile_tile_16;
- } else if (vs->depth == 1) {
- /* XXX: change QEMU pixel 8 bit pixel format to match the VNC one ? */
- vnc_write_u16(vs, 7); /* red-max */
- vnc_write_u16(vs, 7); /* green-max */
- vnc_write_u16(vs, 3); /* blue-max */
- vnc_write_u8(vs, 5); /* red-shift */
- vnc_write_u8(vs, 2); /* green-shift */
- vnc_write_u8(vs, 0); /* blue-shift */
- vs->send_hextile_tile = send_hextile_tile_8;
- }
- vs->write_pixels = vnc_write_pixels_copy;
-
- vnc_write(vs, pad, 3); /* padding */
+ pixel_format_message(vs);
if (qemu_name)
size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name);
vs->challenge[i] = (int) (256.0*rand()/(RAND_MAX+1.0));
}
-static int protocol_client_auth_vnc(VncState *vs, char *data, size_t len)
+static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len)
{
- char response[VNC_AUTH_CHALLENGE_SIZE];
+ unsigned char response[VNC_AUTH_CHALLENGE_SIZE];
int i, j, pwlen;
- char key[8];
+ unsigned char key[8];
if (!vs->password || !vs->password[0]) {
VNC_DEBUG("No password configured on server");
return 0;
}
-static int protocol_client_auth(VncState *vs, char *data, size_t len)
+
+#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->x509cacert) {
+ VNC_DEBUG("No CA x509 certificate specified\n");
+ return NULL;
+ }
+ if (!vs->x509cert) {
+ VNC_DEBUG("No server x509 certificate specified\n");
+ return NULL;
+ }
+ if (!vs->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->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->x509cert,
+ vs->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->x509cacrl) {
+ if ((ret = gnutls_certificate_set_x509_crl_file(x509_cred,
+ vs->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->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->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->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)->subauth == VNC_AUTH_VENCRYPT_X509NONE || \
+ (vs)->subauth == VNC_AUTH_VENCRYPT_X509VNC || \
+ (vs)->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->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->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->subauth);
+ vnc_write_u8(vs, 0); /* Accept version */
+ vnc_write_u8(vs, 1); /* Number of sub-auths */
+ vnc_write_u32(vs, vs->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 */
switch (vs->auth) {
case VNC_AUTH_NONE:
VNC_DEBUG("Accept auth none\n");
- vnc_write_u32(vs, 0); /* Accept auth completion */
+ if (vs->minor >= 8) {
+ vnc_write_u32(vs, 0); /* Accept auth completion */
+ vnc_flush(vs);
+ }
vnc_read_when(vs, protocol_client_init, 1);
break;
VNC_DEBUG("Start VNC auth\n");
return start_auth_vnc(vs);
+#ifdef CONFIG_VNC_TLS
+ case VNC_AUTH_VENCRYPT:
+ VNC_DEBUG("Accept VeNCrypt auth\n");;
+ return start_auth_vencrypt(vs);
+#endif /* CONFIG_VNC_TLS */
+
default: /* Should not be possible, but just in case */
VNC_DEBUG("Reject auth %d\n", vs->auth);
vnc_write_u8(vs, 1);
return 0;
}
-static int protocol_version(VncState *vs, char *version, size_t len)
+static int protocol_version(VncState *vs, uint8_t *version, size_t len)
{
char local[13];
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_client_error(vs);
return 0;
}
- /* Some broken client report v3.5 which spec requires to be treated
+ /* 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 == 5)
+ if (vs->minor == 4 || vs->minor == 5)
vs->minor = 3;
if (vs->minor == 3) {
return 0;
}
+static void vnc_connect(VncState *vs)
+{
+ VNC_DEBUG("New client on socket %d\n", vs->csock);
+ vs->ds->idle = 0;
+ socket_set_nonblock(vs->csock);
+ qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
+ 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));
+ vs->has_resize = 0;
+ vs->has_hextile = 0;
+ vs->ds->dpy_copy = NULL;
+ vnc_update_client(vs);
+ reset_keys(vs);
+}
+
static void vnc_listen_read(void *opaque)
{
VncState *vs = opaque;
struct sockaddr_in addr;
socklen_t addrlen = sizeof(addr);
+ /* Catch-up */
+ vga_hw_update();
+
vs->csock = accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
if (vs->csock != -1) {
- socket_set_nonblock(vs->csock);
- qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, opaque);
- vnc_write(vs, "RFB 003.008\n", 12);
- vnc_flush(vs);
- vnc_read_when(vs, protocol_version, 12);
- memset(vs->old_data, 0, vs->ds->linesize * vs->ds->height);
- memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
- vs->has_resize = 0;
- vs->has_hextile = 0;
- vs->ds->dpy_copy = NULL;
+ vnc_connect(vs);
}
}
-extern int parse_host_port(struct sockaddr_in *saddr, const char *str);
-
void vnc_display_init(DisplayState *ds)
{
VncState *vs;
exit(1);
ds->opaque = vs;
+ ds->idle = 1;
vnc_state = vs;
vs->display = NULL;
vs->password = NULL;
vs->lsock = -1;
vs->csock = -1;
- vs->depth = 4;
vs->last_x = -1;
vs->last_y = -1;
vs->ds = ds;
- if (!keyboard_layout)
- keyboard_layout = "en-us";
+ if (keyboard_layout)
+ vs->kbd_layout = init_keyboard_layout(keyboard_layout);
+ else
+ vs->kbd_layout = init_keyboard_layout("en-us");
- vs->kbd_layout = init_keyboard_layout(keyboard_layout);
if (!vs->kbd_layout)
exit(1);
+ vs->timer = qemu_new_timer(rt_clock, vnc_update_client, vs);
+
vs->ds->data = NULL;
vs->ds->dpy_update = vnc_dpy_update;
vs->ds->dpy_resize = vnc_dpy_resize;
- vs->ds->dpy_refresh = vnc_dpy_refresh;
-
- memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
+ vs->ds->dpy_refresh = NULL;
+ vnc_colordepth(vs->ds, 32);
vnc_dpy_resize(vs->ds, 640, 400);
+
+ vs->as.freq = 44100;
+ vs->as.nchannels = 2;
+ vs->as.fmt = AUD_FMT_S16;
+ vs->as.endianness = 0;
+}
+
+#ifdef CONFIG_VNC_TLS
+static int vnc_set_x509_credential(VncState *vs,
+ const char *certdir,
+ const char *filename,
+ char **cred,
+ int ignoreMissing)
+{
+ struct stat sb;
+
+ if (*cred) {
+ qemu_free(*cred);
+ *cred = NULL;
+ }
+
+ if (!(*cred = qemu_malloc(strlen(certdir) + strlen(filename) + 2)))
+ return -1;
+
+ 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(VncState *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)
{
VncState *vs = ds ? (VncState *)ds->opaque : vnc_state;
buffer_reset(&vs->input);
buffer_reset(&vs->output);
vs->need_update = 0;
+#ifdef CONFIG_VNC_TLS
+ if (vs->tls_session) {
+ gnutls_deinit(vs->tls_session);
+ vs->tls_session = NULL;
+ }
+ vs->wiremode = VNC_WIREMODE_CLEAR;
+#endif /* CONFIG_VNC_TLS */
}
vs->auth = VNC_AUTH_INVALID;
+#ifdef CONFIG_VNC_TLS
+ vs->subauth = VNC_AUTH_INVALID;
+ vs->x509verify = 0;
+#endif
+ audio_del(vs);
}
int vnc_display_password(DisplayState *ds, const char *password)
int vnc_display_open(DisplayState *ds, const char *display)
{
- struct sockaddr *addr;
- struct sockaddr_in iaddr;
-#ifndef _WIN32
- struct sockaddr_un uaddr;
-#endif
- int reuse_addr, ret;
- socklen_t addrlen;
- const char *p;
VncState *vs = ds ? (VncState *)ds->opaque : vnc_state;
const char *options;
int password = 0;
+ int reverse = 0;
+ int to_port = 0;
+#ifdef CONFIG_VNC_TLS
+ int tls = 0, x509 = 0;
+#endif
vnc_display_close(ds);
if (strcmp(display, "none") == 0)
options = display;
while ((options = strchr(options, ','))) {
options++;
- if (strncmp(options, "password", 8) == 0)
+ 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;
+#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;
+ }
+#endif
+ }
}
if (password) {
- VNC_DEBUG("Initializing VNC server with password auth\n");
- vs->auth = VNC_AUTH_VNC;
- } else {
- VNC_DEBUG("Initializing VNC server with no auth\n");
- vs->auth = VNC_AUTH_NONE;
- }
-#ifndef _WIN32
- if (strstart(display, "unix:", &p)) {
- addr = (struct sockaddr *)&uaddr;
- addrlen = sizeof(uaddr);
-
- vs->lsock = socket(PF_UNIX, SOCK_STREAM, 0);
- if (vs->lsock == -1) {
- fprintf(stderr, "Could not create socket\n");
- free(vs->display);
- vs->display = NULL;
- return -1;
- }
-
- uaddr.sun_family = AF_UNIX;
- memset(uaddr.sun_path, 0, 108);
- snprintf(uaddr.sun_path, 108, "%s", p);
-
- unlink(uaddr.sun_path);
- } else
+#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
- {
- addr = (struct sockaddr *)&iaddr;
- addrlen = sizeof(iaddr);
-
- if (parse_host_port(&iaddr, display) < 0) {
- fprintf(stderr, "Could not parse VNC address\n");
- free(vs->display);
- vs->display = NULL;
- return -1;
- }
-
- iaddr.sin_port = htons(ntohs(iaddr.sin_port) + 5900);
-
- vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
- if (vs->lsock == -1) {
- fprintf(stderr, "Could not create socket\n");
- free(vs->display);
- vs->display = NULL;
- return -1;
+ VNC_DEBUG("Initializing VNC server with password auth\n");
+ vs->auth = VNC_AUTH_VNC;
+#ifdef CONFIG_VNC_TLS
+ vs->subauth = VNC_AUTH_INVALID;
}
-
- reuse_addr = 1;
- ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR,
- (const char *)&reuse_addr, sizeof(reuse_addr));
- if (ret == -1) {
- fprintf(stderr, "setsockopt() failed\n");
- close(vs->lsock);
- vs->lsock = -1;
- free(vs->display);
- vs->display = NULL;
- return -1;
+#endif
+ } 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 {
+#endif
+ VNC_DEBUG("Initializing VNC server with no auth\n");
+ vs->auth = VNC_AUTH_NONE;
+#ifdef CONFIG_VNC_TLS
+ vs->subauth = VNC_AUTH_INVALID;
}
+#endif
}
- if (bind(vs->lsock, addr, addrlen) == -1) {
- fprintf(stderr, "bind() failed\n");
- close(vs->lsock);
- vs->lsock = -1;
- free(vs->display);
- vs->display = NULL;
- return -1;
- }
+ if (reverse) {
+ /* connect to viewer */
+ if (strncmp(display, "unix:", 5) == 0)
+ vs->lsock = unix_connect(display+5);
+ else
+ vs->lsock = inet_connect(display, SOCK_STREAM);
+ if (-1 == vs->lsock) {
+ free(vs->display);
+ vs->display = NULL;
+ return -1;
+ } else {
+ vs->csock = vs->lsock;
+ vs->lsock = -1;
+ vnc_connect(vs);
+ }
+ return 0;
- if (listen(vs->lsock, 1) == -1) {
- fprintf(stderr, "listen() failed\n");
- close(vs->lsock);
- vs->lsock = -1;
- free(vs->display);
- vs->display = NULL;
- return -1;
+ } else {
+ /* listen for connects */
+ char *dpy;
+ dpy = qemu_malloc(256);
+ if (strncmp(display, "unix:", 5) == 0) {
+ strcpy(dpy, "unix:");
+ vs->lsock = unix_listen(display+5, dpy+5, 256-5);
+ } else {
+ vs->lsock = inet_listen(display, dpy, 256, SOCK_STREAM, 5900);
+ }
+ if (-1 == vs->lsock) {
+ free(dpy);
+ return -1;
+ } else {
+ free(vs->display);
+ vs->display = dpy;
+ }
}
return qemu_set_fd_handler2(vs->lsock, vnc_listen_poll, vnc_listen_read, NULL, vs);
projects / qemu.git / blobdiff