X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/e945fb76271eb4c8ceed6bff417a0b98744e1af3..9995c0b706a2270a49c5bebbcda0b62263a31aa3:/ui/vnc.c diff --git a/ui/vnc.c b/ui/vnc.c index c7a18311f0..61f120e315 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -31,25 +31,46 @@ #include "qemu-timer.h" #include "acl.h" #include "qemu-objects.h" +#include "qmp-commands.h" +#include "osdep.h" #define VNC_REFRESH_INTERVAL_BASE 30 #define VNC_REFRESH_INTERVAL_INC 50 #define VNC_REFRESH_INTERVAL_MAX 2000 +static const struct timeval VNC_REFRESH_STATS = { 0, 500000 }; +static const struct timeval VNC_REFRESH_LOSSY = { 2, 0 }; #include "vnc_keysym.h" #include "d3des.h" -#define count_bits(c, v) { \ - for (c = 0; v; v >>= 1) \ - { \ - c += v & 1; \ - } \ -} - static VncDisplay *vnc_display; /* needed for info vnc */ static DisplayChangeListener *dcl; static int vnc_cursor_define(VncState *vs); +static void vnc_release_modifiers(VncState *vs); + +static void vnc_set_share_mode(VncState *vs, VncShareMode mode) +{ +#ifdef _VNC_DEBUG + static const char *mn[] = { + [0] = "undefined", + [VNC_SHARE_MODE_CONNECTING] = "connecting", + [VNC_SHARE_MODE_SHARED] = "shared", + [VNC_SHARE_MODE_EXCLUSIVE] = "exclusive", + [VNC_SHARE_MODE_DISCONNECTED] = "disconnected", + }; + fprintf(stderr, "%s/%d: %s -> %s\n", __func__, + vs->csock, mn[vs->share_mode], mn[mode]); +#endif + + if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) { + vs->vd->num_exclusive--; + } + vs->share_mode = mode; + if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) { + vs->vd->num_exclusive++; + } +} static char *addr_to_string(const char *format, struct sockaddr_storage *sa, @@ -72,7 +93,7 @@ static char *addr_to_string(const char *format, /* Enough for the existing format + the 2 vars we're * substituting in. */ addrlen = strlen(format) + strlen(host) + strlen(serv); - addr = qemu_malloc(addrlen + 1); + addr = g_malloc(addrlen + 1); snprintf(addr, addrlen, format, host, serv); addr[addrlen] = '\0'; @@ -214,13 +235,17 @@ static int vnc_server_info_put(QDict *qdict) static void vnc_client_cache_auth(VncState *client) { +#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) QDict *qdict; +#endif if (!client->info) { return; } +#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) qdict = qobject_to_qdict(client->info); +#endif #ifdef CONFIG_VNC_TLS if (client->tls.session && @@ -275,80 +300,114 @@ static void vnc_qmp_event(VncState *vs, MonitorEvent event) qobject_decref(data); } -static void info_vnc_iter(QObject *obj, void *opaque) +static VncClientInfo *qmp_query_vnc_client(const VncState *client) { - QDict *client; - Monitor *mon = opaque; + struct sockaddr_storage sa; + socklen_t salen = sizeof(sa); + char host[NI_MAXHOST]; + char serv[NI_MAXSERV]; + VncClientInfo *info; + + if (getpeername(client->csock, (struct sockaddr *)&sa, &salen) < 0) { + return NULL; + } - 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")); + if (getnameinfo((struct sockaddr *)&sa, salen, + host, sizeof(host), + serv, sizeof(serv), + NI_NUMERICHOST | NI_NUMERICSERV) < 0) { + return NULL; + } + + info = g_malloc0(sizeof(*info)); + info->host = g_strdup(host); + info->service = g_strdup(serv); + info->family = g_strdup(inet_strfamily(sa.ss_family)); #ifdef CONFIG_VNC_TLS - monitor_printf(mon, " x509_dname: %s\n", - qdict_haskey(client, "x509_dname") ? - qdict_get_str(client, "x509_dname") : "none"); + if (client->tls.session && client->tls.dname) { + info->has_x509_dname = true; + info->x509_dname = g_strdup(client->tls.dname); + } #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) -{ - QDict *server; - QList *clients; - - server = qobject_to_qdict(data); - if (qdict_get_bool(server, "enabled") == 0) { - monitor_printf(mon, "Server: disabled\n"); - return; + if (client->sasl.conn && client->sasl.username) { + info->has_sasl_username = true; + info->sasl_username = g_strdup(client->sasl.username); } +#endif - 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); - } + return info; } -void do_info_vnc(Monitor *mon, QObject **ret_data) +VncInfo *qmp_query_vnc(Error **errp) { + VncInfo *info = g_malloc0(sizeof(*info)); + if (vnc_display == NULL || vnc_display->display == NULL) { - *ret_data = qobject_from_jsonf("{ 'enabled': false }"); + info->enabled = false; } else { - QList *clist; + VncClientInfoList *cur_item = NULL; + struct sockaddr_storage sa; + socklen_t salen = sizeof(sa); + char host[NI_MAXHOST]; + char serv[NI_MAXSERV]; VncState *client; - clist = qlist_new(); + info->enabled = true; + + /* for compatibility with the original command */ + info->has_clients = true; + 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); + VncClientInfoList *cinfo = g_malloc0(sizeof(*info)); + cinfo->value = qmp_query_vnc_client(client); + + /* XXX: waiting for the qapi to support GSList */ + if (!cur_item) { + info->clients = cur_item = cinfo; + } else { + cur_item->next = cinfo; + cur_item = cinfo; } } - *ret_data = qobject_from_jsonf("{ 'enabled': true, 'clients': %p }", - QOBJECT(clist)); - assert(*ret_data != NULL); + if (vnc_display->lsock == -1) { + return info; + } + + if (getsockname(vnc_display->lsock, (struct sockaddr *)&sa, + &salen) == -1) { + error_set(errp, QERR_UNDEFINED_ERROR); + goto out_error; + } - if (vnc_server_info_put(qobject_to_qdict(*ret_data)) < 0) { - qobject_decref(*ret_data); - *ret_data = NULL; + if (getnameinfo((struct sockaddr *)&sa, salen, + host, sizeof(host), + serv, sizeof(serv), + NI_NUMERICHOST | NI_NUMERICSERV) < 0) { + error_set(errp, QERR_UNDEFINED_ERROR); + goto out_error; } + + info->has_host = true; + info->host = g_strdup(host); + + info->has_service = true; + info->service = g_strdup(serv); + + info->has_family = true; + info->family = g_strdup(inet_strfamily(sa.ss_family)); + + info->has_auth = true; + info->auth = g_strdup(vnc_auth_name(vnc_display)); } + + return info; + +out_error: + qapi_free_VncInfo(info); + return NULL; } /* TODO @@ -372,52 +431,13 @@ static void framebuffer_update_request(VncState *vs, int incremental, 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) -{ - d[k >> 5] |= 1 << (k & 0x1f); -} - -static inline void vnc_clear_bit(uint32_t *d, int k) -{ - d[k >> 5] &= ~(1 << (k & 0x1f)); -} - -static inline void vnc_set_bits(uint32_t *d, int n, int nb_words) -{ - int j; - - j = 0; - while (n >= 32) { - d[j++] = -1; - n -= 32; - } - if (n > 0) - d[j++] = (1 << n) - 1; - while (j < nb_words) - d[j++] = 0; -} - -static inline int vnc_get_bit(const uint32_t *d, int k) -{ - return (d[k >> 5] >> (k & 0x1f)) & 1; -} - -static inline int vnc_and_bits(const uint32_t *d1, const uint32_t *d2, - int nb_words) -{ - int i; - for(i = 0; i < nb_words; i++) { - if ((d1[i] & d2[i]) != 0) - return 1; - } - return 0; -} - 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; + int width = ds_get_width(ds); + int height = ds_get_height(ds); h += y; @@ -428,14 +448,14 @@ static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h) w += (x % 16); x -= (x % 16); - 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); + x = MIN(x, width); + y = MIN(y, height); + w = MIN(x + w, width) - x; + h = MIN(h, height); for (; y < h; y++) for (i = 0; i < w; i += 16) - vnc_set_bit(s->dirty[y], (x + i) / 16); + set_bit((x + i) / 16, s->dirty[y]); } void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, @@ -453,7 +473,7 @@ 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); + buffer->buffer = g_realloc(buffer->buffer, buffer->capacity); if (buffer->buffer == NULL) { fprintf(stderr, "vnc: out of memory\n"); exit(1); @@ -461,12 +481,12 @@ void buffer_reserve(Buffer *buffer, size_t len) } } -int buffer_empty(Buffer *buffer) +static int buffer_empty(Buffer *buffer) { return buffer->offset == 0; } -uint8_t *buffer_end(Buffer *buffer) +static uint8_t *buffer_end(Buffer *buffer) { return buffer->buffer + buffer->offset; } @@ -478,7 +498,7 @@ void buffer_reset(Buffer *buffer) void buffer_free(Buffer *buffer) { - qemu_free(buffer->buffer); + g_free(buffer->buffer); buffer->offset = 0; buffer->capacity = 0; buffer->buffer = NULL; @@ -513,7 +533,6 @@ static void vnc_desktop_resize(VncState *vs) vnc_flush(vs); } -#ifdef CONFIG_VNC_THREAD static void vnc_abort_display_jobs(VncDisplay *vd) { VncState *vs; @@ -532,11 +551,21 @@ static void vnc_abort_display_jobs(VncDisplay *vd) vnc_unlock_output(vs); } } -#else -static void vnc_abort_display_jobs(VncDisplay *vd) + +int vnc_server_fb_stride(VncDisplay *vd) { + return pixman_image_get_stride(vd->server); +} + +void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y) +{ + uint8_t *ptr; + + ptr = (uint8_t *)pixman_image_get_data(vd->server); + ptr += y * vnc_server_fb_stride(vd); + ptr += x * VNC_SERVER_FB_BYTES; + return ptr; } -#endif static void vnc_dpy_resize(DisplayState *ds) { @@ -546,20 +575,20 @@ static void vnc_dpy_resize(DisplayState *ds) vnc_abort_display_jobs(vd); /* 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); + qemu_pixman_image_unref(vd->server); + vd->server = pixman_image_create_bits(VNC_SERVER_FB_FORMAT, + ds_get_width(ds), + ds_get_height(ds), + NULL, 0); /* guest surface */ - if (!vd->guest.ds) - vd->guest.ds = qemu_mallocz(sizeof(*vd->guest.ds)); +#if 0 /* FIXME */ if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel) console_color_init(ds); - *(vd->guest.ds) = *(ds->surface); +#endif + qemu_pixman_image_unref(vd->guest.fb); + vd->guest.fb = pixman_image_ref(ds->surface->image); + vd->guest.format = ds->surface->format; memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty)); QTAILQ_FOREACH(vs, &vd->clients, next) { @@ -573,7 +602,7 @@ static void vnc_dpy_resize(DisplayState *ds) } /* fastest code */ -static void vnc_write_pixels_copy(VncState *vs, struct PixelFormat *pf, +static void vnc_write_pixels_copy(VncState *vs, void *pixels, int size) { vnc_write(vs, pixels, size); @@ -583,23 +612,23 @@ static void vnc_write_pixels_copy(VncState *vs, struct PixelFormat *pf, void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) { uint8_t r, g, b; - 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); - switch(vs->clientds.pf.bytes_per_pixel) { +#if VNC_SERVER_FB_FORMAT == PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8) + r = (((v & 0x00ff0000) >> 16) << vs->client_pf.rbits) >> 8; + g = (((v & 0x0000ff00) >> 8) << vs->client_pf.gbits) >> 8; + b = (((v & 0x000000ff) >> 0) << vs->client_pf.bbits) >> 8; +#else +# error need some bits here if you change VNC_SERVER_FB_FORMAT +#endif + v = (r << vs->client_pf.rshift) | + (g << vs->client_pf.gshift) | + (b << vs->client_pf.bshift); + switch (vs->client_pf.bytes_per_pixel) { case 1: buf[0] = v; break; case 2: - if (vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) { + if (vs->client_be) { buf[0] = v >> 8; buf[1] = v; } else { @@ -609,7 +638,7 @@ void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) break; default: case 4: - if (vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) { + if (vs->client_be) { buf[0] = v >> 24; buf[1] = v >> 16; buf[2] = v >> 8; @@ -624,37 +653,19 @@ void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) } } -static void vnc_write_pixels_generic(VncState *vs, struct PixelFormat *pf, +static void vnc_write_pixels_generic(VncState *vs, void *pixels1, int size) { uint8_t buf[4]; - if (pf->bytes_per_pixel == 4) { + if (VNC_SERVER_FB_BYTES == 4) { uint32_t *pixels = pixels1; int n, i; n = size >> 2; - for(i = 0; i < n; i++) { + for (i = 0; i < n; i++) { vnc_convert_pixel(vs, buf, pixels[i]); - vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); + vnc_write(vs, buf, vs->client_pf.bytes_per_pixel); } - } else if (pf->bytes_per_pixel == 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->clientds.pf.bytes_per_pixel); - } - } else if (pf->bytes_per_pixel == 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->clientds.pf.bytes_per_pixel); - } - } else { - fprintf(stderr, "vnc_write_pixels_generic: VncState color depth not supported\n"); } } @@ -664,10 +675,10 @@ int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) uint8_t *row; VncDisplay *vd = vs->vd; - row = vd->server->data + y * ds_get_linesize(vs->ds) + x * ds_get_bytes_per_pixel(vs->ds); + row = vnc_server_fb_ptr(vd, x, y); for (i = 0; i < h; i++) { - vs->write_pixels(vs, &vd->server->pf, row, w * ds_get_bytes_per_pixel(vs->ds)); - row += ds_get_linesize(vs->ds); + vs->write_pixels(vs, row, w * VNC_SERVER_FB_BYTES); + row += vnc_server_fb_stride(vd); } return 1; } @@ -690,6 +701,12 @@ int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) case VNC_ENCODING_TIGHT_PNG: n = vnc_tight_png_send_framebuffer_update(vs, x, y, w, h); break; + case VNC_ENCODING_ZRLE: + n = vnc_zrle_send_framebuffer_update(vs, x, y, w, h); + break; + case VNC_ENCODING_ZYWRLE: + n = vnc_zywrle_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); @@ -718,7 +735,7 @@ static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int VncState *vs, *vn; uint8_t *src_row; uint8_t *dst_row; - int i,x,y,pitch,depth,inc,w_lim,s; + int i, x, y, pitch, inc, w_lim, s; int cmp_bytes; vnc_refresh_server_surface(vd); @@ -731,10 +748,9 @@ static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int } /* 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; + pitch = vnc_server_fb_stride(vd); + src_row = vnc_server_fb_ptr(vd, src_x, src_y); + dst_row = vnc_server_fb_ptr(vd, dst_x, dst_y); y = dst_y; inc = 1; if (dst_y > src_y) { @@ -762,18 +778,18 @@ static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int } else { s = 16; } - cmp_bytes = s * depth; + cmp_bytes = s * VNC_SERVER_FB_BYTES; 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)); + set_bit(((x + dst_x) / 16), vs->dirty[y]); } } } - src_row += pitch - w * depth; - dst_row += pitch - w * depth; + src_row += pitch - w * VNC_SERVER_FB_BYTES; + dst_row += pitch - w * VNC_SERVER_FB_BYTES; y += inc; } @@ -784,7 +800,7 @@ static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int } } -static void vnc_mouse_set(int x, int y, int visible) +static void vnc_mouse_set(DisplayState *ds, int x, int y, int visible) { /* can we ask the client(s) to move the pointer ??? */ } @@ -792,7 +808,6 @@ static void vnc_mouse_set(int x, int y, int visible) static int vnc_cursor_define(VncState *vs) { QEMUCursor *c = vs->vd->cursor; - PixelFormat pf = qemu_default_pixelformat(32); int isize; if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) { @@ -802,8 +817,8 @@ static int vnc_cursor_define(VncState *vs) 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); + isize = c->width * c->height * vs->client_pf.bytes_per_pixel; + vnc_write_pixels_generic(vs, c->data, isize); vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize); vnc_unlock_output(vs); return 0; @@ -811,18 +826,18 @@ static int vnc_cursor_define(VncState *vs) return -1; } -static void vnc_dpy_cursor_define(QEMUCursor *c) +static void vnc_dpy_cursor_define(DisplayState *ds, QEMUCursor *c) { VncDisplay *vd = vnc_display; VncState *vs; cursor_put(vd->cursor); - qemu_free(vd->cursor_mask); + g_free(vd->cursor_mask); 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); + vd->cursor_mask = g_malloc0(vd->cursor_msize); cursor_get_mono_mask(c, 0, vd->cursor_mask); QTAILQ_FOREACH(vs, &vd->clients, next) { @@ -831,35 +846,29 @@ static void vnc_dpy_cursor_define(QEMUCursor *c) } static int find_and_clear_dirty_height(struct VncState *vs, - int y, int last_x, int x) + int y, int last_x, int x, int height) { int h; - VncDisplay *vd = vs->vd; - for (h = 1; h < (vd->server->height - y); h++) { + for (h = 1; h < (height - y); h++) { int tmp_x; - if (!vnc_get_bit(vs->dirty[y + h], last_x)) + if (!test_bit(last_x, vs->dirty[y + h])) { break; - for (tmp_x = last_x; tmp_x < x; tmp_x++) - vnc_clear_bit(vs->dirty[y + h], tmp_x); + } + for (tmp_x = last_x; tmp_x < x; tmp_x++) { + clear_bit(tmp_x, vs->dirty[y + h]); + } } return h; } -#ifdef CONFIG_VNC_THREAD static int vnc_update_client_sync(VncState *vs, int has_dirty) { int ret = vnc_update_client(vs, has_dirty); vnc_jobs_join(vs); return ret; } -#else -static int vnc_update_client_sync(VncState *vs, int has_dirty) -{ - return vnc_update_client(vs, has_dirty); -} -#endif static int vnc_update_client(VncState *vs, int has_dirty) { @@ -886,21 +895,21 @@ static int vnc_update_client(VncState *vs, int has_dirty) */ job = vnc_job_new(vs); - width = MIN(vd->server->width, vs->client_width); - height = MIN(vd->server->height, vs->client_height); + width = MIN(pixman_image_get_width(vd->server), vs->client_width); + height = MIN(pixman_image_get_height(vd->server), 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 (test_and_clear_bit(x, vs->dirty[y])) { 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); + int h = find_and_clear_dirty_height(vs, y, last_x, x, + height); n += vnc_job_add_rect(job, last_x * 16, y, (x - last_x) * 16, h); @@ -909,7 +918,7 @@ static int vnc_update_client(VncState *vs, int has_dirty) } } if (last_x != -1) { - int h = find_and_clear_dirty_height(vs, y, last_x, x); + int h = find_and_clear_dirty_height(vs, y, last_x, x, height); n += vnc_job_add_rect(job, last_x * 16, y, (x - last_x) * 16, h); } @@ -1001,6 +1010,7 @@ static void vnc_disconnect_start(VncState *vs) { if (vs->csock == -1) return; + vnc_set_share_mode(vs, VNC_SHARE_MODE_DISCONNECTED); qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); closesocket(vs->csock); vs->csock = -1; @@ -1008,6 +1018,8 @@ static void vnc_disconnect_start(VncState *vs) static void vnc_disconnect_finish(VncState *vs) { + int i; + vnc_jobs_join(vs); /* Wait encoding jobs */ vnc_lock_output(vs); @@ -1020,6 +1032,7 @@ static void vnc_disconnect_finish(VncState *vs) vnc_zlib_clear(vs); vnc_tight_clear(vs); + vnc_zrle_clear(vs); #ifdef CONFIG_VNC_TLS vnc_tls_client_cleanup(vs); @@ -1028,6 +1041,7 @@ static void vnc_disconnect_finish(VncState *vs) vnc_sasl_client_cleanup(vs); #endif /* CONFIG_VNC_SASL */ audio_del(vs); + vnc_release_modifiers(vs); QTAILQ_REMOVE(&vs->vd->clients, vs, next); @@ -1041,10 +1055,15 @@ static void vnc_disconnect_finish(VncState *vs) qemu_remove_led_event_handler(vs->led); vnc_unlock_output(vs); -#ifdef CONFIG_VNC_THREAD qemu_mutex_destroy(&vs->output_mutex); -#endif - qemu_free(vs); + qemu_bh_delete(vs->bh); + buffer_free(&vs->jobs_buffer); + + for (i = 0; i < VNC_STAT_ROWS; ++i) { + g_free(vs->lossy_rect[i]); + } + g_free(vs->lossy_rect); + g_free(vs); } int vnc_client_io_error(VncState *vs, int ret, int last_errno) @@ -1227,7 +1246,7 @@ long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen) } } else #endif /* CONFIG_VNC_TLS */ - ret = recv(vs->csock, (void *)data, datalen, 0); + ret = qemu_recv(vs->csock, data, datalen, 0); VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret); return vnc_client_io_error(vs, ret, socket_error()); } @@ -1254,6 +1273,12 @@ static long vnc_client_read_plain(VncState *vs) return ret; } +static void vnc_jobs_bh(void *opaque) +{ + VncState *vs = opaque; + + vnc_jobs_consume_buffer(vs); +} /* * First function called whenever there is more data to be read from @@ -1348,17 +1373,17 @@ void vnc_flush(VncState *vs) vnc_unlock_output(vs); } -uint8_t read_u8(uint8_t *data, size_t offset) +static uint8_t read_u8(uint8_t *data, size_t offset) { return data[offset]; } -uint16_t read_u16(uint8_t *data, size_t offset) +static uint16_t read_u16(uint8_t *data, size_t offset) { return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); } -int32_t read_s32(uint8_t *data, size_t offset) +static 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]); @@ -1374,7 +1399,7 @@ static void client_cut_text(VncState *vs, size_t len, uint8_t *text) { } -static void check_pointer_type_change(Notifier *notifier) +static void check_pointer_type_change(Notifier *notifier, void *data) { VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); int absolute = kbd_mouse_is_absolute(); @@ -1500,7 +1525,7 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym) break; } - if (vs->vd->lock_key_sync && + if (down && 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 @@ -1519,7 +1544,7 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym) } } - if (vs->vd->lock_key_sync && + if (down && 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 @@ -1549,9 +1574,11 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym) else kbd_put_keycode(keycode | SCANCODE_UP); } else { + bool numlock = vs->modifiers_state[0x45]; + bool control = (vs->modifiers_state[0x1d] || + vs->modifiers_state[0x9d]); /* QEMU console emulation */ if (down) { - int numlock = vs->modifiers_state[0x45]; switch (keycode) { case 0x2a: /* Left Shift */ case 0x36: /* Right Shift */ @@ -1639,13 +1666,40 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym) break; default: - kbd_put_keysym(sym); + if (control) { + kbd_put_keysym(sym & 0x1f); + } else { + kbd_put_keysym(sym); + } break; } } } } +static void vnc_release_modifiers(VncState *vs) +{ + static const int keycodes[] = { + /* shift, control, alt keys, both left & right */ + 0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, + }; + int i, keycode; + + if (!is_graphic_console()) { + return; + } + for (i = 0; i < ARRAY_SIZE(keycodes); i++) { + keycode = keycodes[i]; + if (!vs->modifiers_state[keycode]) { + continue; + } + if (keycode & SCANCODE_GREY) { + kbd_put_keycode(SCANCODE_EMUL0); + } + kbd_put_keycode(keycode | SCANCODE_UP); + } +} + static void key_event(VncState *vs, int down, uint32_t sym) { int keycode; @@ -1673,18 +1727,21 @@ static void framebuffer_update_request(VncState *vs, int incremental, int x_position, int y_position, int w, int h) { + int i; + const size_t width = ds_get_width(vs->ds) / 16; + if (y_position > ds_get_height(vs->ds)) y_position = ds_get_height(vs->ds); 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) { 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); + bitmap_set(vs->dirty[y_position + i], 0, width); + bitmap_clear(vs->dirty[y_position + i], width, + VNC_DIRTY_BITS - width); } } } @@ -1726,7 +1783,7 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) /* * Start from the end because the encodings are sent in order of preference. - * This way the prefered encoding (first encoding defined in the array) + * This way the preferred encoding (first encoding defined in the array) * will be set at the end of the loop. */ for (i = n_encodings - 1; i >= 0; i--) { @@ -1746,14 +1803,24 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) vs->features |= VNC_FEATURE_TIGHT_MASK; vs->vnc_encoding = enc; break; +#ifdef CONFIG_VNC_PNG case VNC_ENCODING_TIGHT_PNG: vs->features |= VNC_FEATURE_TIGHT_PNG_MASK; vs->vnc_encoding = enc; break; +#endif case VNC_ENCODING_ZLIB: vs->features |= VNC_FEATURE_ZLIB_MASK; vs->vnc_encoding = enc; break; + case VNC_ENCODING_ZRLE: + vs->features |= VNC_FEATURE_ZRLE_MASK; + vs->vnc_encoding = enc; + break; + case VNC_ENCODING_ZYWRLE: + vs->features |= VNC_FEATURE_ZYWRLE_MASK; + vs->vnc_encoding = enc; + break; case VNC_ENCODING_DESKTOPRESIZE: vs->features |= VNC_FEATURE_RESIZE_MASK; break; @@ -1776,7 +1843,9 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) vs->tight.compression = (enc & 0x0F); break; case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9: - vs->tight.quality = (enc & 0x0F); + if (vs->vd->lossy) { + vs->tight.quality = (enc & 0x0F); + } break; default: VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc); @@ -1784,14 +1853,14 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) } } vnc_desktop_resize(vs); - check_pointer_type_change(&vs->mouse_mode_notifier); + check_pointer_type_change(&vs->mouse_mode_notifier, NULL); } static void set_pixel_conversion(VncState *vs) { - if ((vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) == - (vs->ds->surface->flags & QEMU_BIG_ENDIAN_FLAG) && - !memcmp(&(vs->clientds.pf), &(vs->ds->surface->pf), sizeof(PixelFormat))) { + pixman_format_code_t fmt = qemu_pixman_get_format(&vs->client_pf); + + if (fmt == VNC_SERVER_FB_FORMAT) { vs->write_pixels = vnc_write_pixels_copy; vnc_hextile_set_pixel_conversion(vs, 0); } else { @@ -1811,23 +1880,22 @@ static void set_pixel_format(VncState *vs, return; } - 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; - vs->clientds.pf.rmask = red_max << red_shift; - vs->clientds.pf.gmax = green_max; - count_bits(vs->clientds.pf.gbits, green_max); - vs->clientds.pf.gshift = green_shift; - vs->clientds.pf.gmask = green_max << green_shift; - vs->clientds.pf.bmax = blue_max; - count_bits(vs->clientds.pf.bbits, blue_max); - vs->clientds.pf.bshift = blue_shift; - vs->clientds.pf.bmask = blue_max << blue_shift; - vs->clientds.pf.bits_per_pixel = bits_per_pixel; - vs->clientds.pf.bytes_per_pixel = bits_per_pixel / 8; - vs->clientds.pf.depth = bits_per_pixel == 32 ? 24 : bits_per_pixel; - vs->clientds.flags = big_endian_flag ? QEMU_BIG_ENDIAN_FLAG : 0x00; + vs->client_pf.rmax = red_max; + vs->client_pf.rbits = hweight_long(red_max); + vs->client_pf.rshift = red_shift; + vs->client_pf.rmask = red_max << red_shift; + vs->client_pf.gmax = green_max; + vs->client_pf.gbits = hweight_long(green_max); + vs->client_pf.gshift = green_shift; + vs->client_pf.gmask = green_max << green_shift; + vs->client_pf.bmax = blue_max; + vs->client_pf.bbits = hweight_long(blue_max); + vs->client_pf.bshift = blue_shift; + vs->client_pf.bmask = blue_max << blue_shift; + vs->client_pf.bits_per_pixel = bits_per_pixel; + vs->client_pf.bytes_per_pixel = bits_per_pixel / 8; + vs->client_pf.depth = bits_per_pixel == 32 ? 24 : bits_per_pixel; + vs->client_be = big_endian_flag; set_pixel_conversion(vs); @@ -1838,8 +1906,10 @@ static void set_pixel_format(VncState *vs, static void pixel_format_message (VncState *vs) { char pad[3] = { 0, 0, 0 }; - vnc_write_u8(vs, vs->ds->surface->pf.bits_per_pixel); /* bits-per-pixel */ - vnc_write_u8(vs, vs->ds->surface->pf.depth); /* depth */ + vs->client_pf = qemu_default_pixelformat(32); + + vnc_write_u8(vs, vs->client_pf.bits_per_pixel); /* bits-per-pixel */ + vnc_write_u8(vs, vs->client_pf.depth); /* depth */ #ifdef HOST_WORDS_BIGENDIAN vnc_write_u8(vs, 1); /* big-endian-flag */ @@ -1847,25 +1917,26 @@ static void pixel_format_message (VncState *vs) { vnc_write_u8(vs, 0); /* big-endian-flag */ #endif vnc_write_u8(vs, 1); /* true-color-flag */ - vnc_write_u16(vs, vs->ds->surface->pf.rmax); /* red-max */ - vnc_write_u16(vs, vs->ds->surface->pf.gmax); /* green-max */ - vnc_write_u16(vs, vs->ds->surface->pf.bmax); /* blue-max */ - 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 */ + vnc_write_u16(vs, vs->client_pf.rmax); /* red-max */ + vnc_write_u16(vs, vs->client_pf.gmax); /* green-max */ + vnc_write_u16(vs, vs->client_pf.bmax); /* blue-max */ + vnc_write_u8(vs, vs->client_pf.rshift); /* red-shift */ + vnc_write_u8(vs, vs->client_pf.gshift); /* green-shift */ + vnc_write_u8(vs, vs->client_pf.bshift); /* blue-shift */ + vnc_write(vs, pad, 3); /* padding */ vnc_hextile_set_pixel_conversion(vs, 0); - - vs->clientds = *(vs->ds->surface); - vs->clientds.flags &= ~QEMU_ALLOCATED_FLAG; vs->write_pixels = vnc_write_pixels_copy; - - vnc_write(vs, pad, 3); /* padding */ } static void vnc_dpy_setdata(DisplayState *ds) { - /* We don't have to do anything */ + VncDisplay *vd = ds->opaque; + + qemu_pixman_image_unref(vd->guest.fb); + vd->guest.fb = pixman_image_ref(ds->surface->image); + vd->guest.format = ds->surface->format; + vnc_dpy_update(ds, 0, 0, ds_get_width(ds), ds_get_height(ds)); } static void vnc_colordepth(VncState *vs) @@ -1894,8 +1965,8 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) 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); + if (!qemu_timer_expired(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval)) + qemu_mod_timer(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval); } switch (data[0]) { @@ -2032,8 +2103,67 @@ static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) static int protocol_client_init(VncState *vs, uint8_t *data, size_t len) { char buf[1024]; + VncShareMode mode; int size; + mode = data[0] ? VNC_SHARE_MODE_SHARED : VNC_SHARE_MODE_EXCLUSIVE; + switch (vs->vd->share_policy) { + case VNC_SHARE_POLICY_IGNORE: + /* + * Ignore the shared flag. Nothing to do here. + * + * Doesn't conform to the rfb spec but is traditional qemu + * behavior, thus left here as option for compatibility + * reasons. + */ + break; + case VNC_SHARE_POLICY_ALLOW_EXCLUSIVE: + /* + * Policy: Allow clients ask for exclusive access. + * + * Implementation: When a client asks for exclusive access, + * disconnect all others. Shared connects are allowed as long + * as no exclusive connection exists. + * + * This is how the rfb spec suggests to handle the shared flag. + */ + if (mode == VNC_SHARE_MODE_EXCLUSIVE) { + VncState *client; + QTAILQ_FOREACH(client, &vs->vd->clients, next) { + if (vs == client) { + continue; + } + if (client->share_mode != VNC_SHARE_MODE_EXCLUSIVE && + client->share_mode != VNC_SHARE_MODE_SHARED) { + continue; + } + vnc_disconnect_start(client); + } + } + if (mode == VNC_SHARE_MODE_SHARED) { + if (vs->vd->num_exclusive > 0) { + vnc_disconnect_start(vs); + return 0; + } + } + break; + case VNC_SHARE_POLICY_FORCE_SHARED: + /* + * Policy: Shared connects only. + * Implementation: Disallow clients asking for exclusive access. + * + * Useful for shared desktop sessions where you don't want + * someone forgetting to say -shared when running the vnc + * client disconnect everybody else. + */ + if (mode == VNC_SHARE_MODE_EXCLUSIVE) { + vnc_disconnect_start(vs); + return 0; + } + break; + } + vnc_set_share_mode(vs, mode); + vs->client_width = ds_get_width(vs->ds); vs->client_height = ds_get_height(vs->ds); vnc_write_u16(vs, vs->client_width); @@ -2078,18 +2208,15 @@ static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) unsigned char response[VNC_AUTH_CHALLENGE_SIZE]; int i, j, pwlen; unsigned char key[8]; + time_t now = time(NULL); - if (!vs->vd->password || !vs->vd->password[0]) { + if (!vs->vd->password) { 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; + goto reject; + } + if (vs->vd->expires < now) { + VNC_DEBUG("Password is expired"); + goto reject; } memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE); @@ -2104,15 +2231,8 @@ static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) /* 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 response did not match\n"); + goto reject; } else { VNC_DEBUG("Accepting VNC challenge response\n"); vnc_write_u32(vs, 0); /* Accept auth */ @@ -2121,6 +2241,17 @@ static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) start_client_init(vs); } return 0; + +reject: + 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; } void start_auth_vnc(VncState *vs) @@ -2138,7 +2269,7 @@ 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 */ + if (data[0] != vs->auth) { /* Reject auth */ VNC_DEBUG("Reject auth %d because it didn't match advertized\n", (int)data[0]); vnc_write_u32(vs, 1); if (vs->minor >= 8) { @@ -2149,7 +2280,7 @@ static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) vnc_client_error(vs); } else { /* Accept requested auth */ VNC_DEBUG("Client requested auth %d\n", (int)data[0]); - switch (vs->vd->auth) { + switch (vs->auth) { case VNC_AUTH_NONE: VNC_DEBUG("Accept auth none\n"); if (vs->minor >= 8) { @@ -2166,7 +2297,7 @@ static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) #ifdef CONFIG_VNC_TLS case VNC_AUTH_VENCRYPT: - VNC_DEBUG("Accept VeNCrypt auth\n");; + VNC_DEBUG("Accept VeNCrypt auth\n"); start_auth_vencrypt(vs); break; #endif /* CONFIG_VNC_TLS */ @@ -2179,7 +2310,7 @@ static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) #endif /* CONFIG_VNC_SASL */ default: /* Should not be possible, but just in case */ - VNC_DEBUG("Reject auth %d server code bug\n", vs->vd->auth); + VNC_DEBUG("Reject auth %d server code bug\n", vs->auth); vnc_write_u8(vs, 1); if (vs->minor >= 8) { static const char err[] = "Authentication failed"; @@ -2224,26 +2355,26 @@ static int protocol_version(VncState *vs, uint8_t *version, size_t len) vs->minor = 3; if (vs->minor == 3) { - if (vs->vd->auth == VNC_AUTH_NONE) { + if (vs->auth == VNC_AUTH_NONE) { VNC_DEBUG("Tell client auth none\n"); - vnc_write_u32(vs, vs->vd->auth); + vnc_write_u32(vs, vs->auth); vnc_flush(vs); start_client_init(vs); - } else if (vs->vd->auth == VNC_AUTH_VNC) { + } else if (vs->auth == VNC_AUTH_VNC) { VNC_DEBUG("Tell client VNC auth\n"); - vnc_write_u32(vs, vs->vd->auth); + vnc_write_u32(vs, vs->auth); vnc_flush(vs); start_auth_vnc(vs); } else { - VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->vd->auth); + VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth); vnc_write_u32(vs, VNC_AUTH_INVALID); vnc_flush(vs); vnc_client_error(vs); } } else { - VNC_DEBUG("Telling client we support auth %d\n", vs->vd->auth); + VNC_DEBUG("Telling client we support auth %d\n", vs->auth); vnc_write_u8(vs, 1); /* num auth */ - vnc_write_u8(vs, vs->vd->auth); + vnc_write_u8(vs, vs->auth); vnc_read_when(vs, protocol_client_auth, 1); vnc_flush(vs); } @@ -2251,51 +2382,219 @@ static int protocol_version(VncState *vs, uint8_t *version, size_t len) return 0; } +static VncRectStat *vnc_stat_rect(VncDisplay *vd, int x, int y) +{ + struct VncSurface *vs = &vd->guest; + + return &vs->stats[y / VNC_STAT_RECT][x / VNC_STAT_RECT]; +} + +void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h) +{ + int i, j; + + w = (x + w) / VNC_STAT_RECT; + h = (y + h) / VNC_STAT_RECT; + x /= VNC_STAT_RECT; + y /= VNC_STAT_RECT; + + for (j = y; j <= h; j++) { + for (i = x; i <= w; i++) { + vs->lossy_rect[j][i] = 1; + } + } +} + +static int vnc_refresh_lossy_rect(VncDisplay *vd, int x, int y) +{ + VncState *vs; + int sty = y / VNC_STAT_RECT; + int stx = x / VNC_STAT_RECT; + int has_dirty = 0; + + y = y / VNC_STAT_RECT * VNC_STAT_RECT; + x = x / VNC_STAT_RECT * VNC_STAT_RECT; + + QTAILQ_FOREACH(vs, &vd->clients, next) { + int j; + + /* kernel send buffers are full -> refresh later */ + if (vs->output.offset) { + continue; + } + + if (!vs->lossy_rect[sty][stx]) { + continue; + } + + vs->lossy_rect[sty][stx] = 0; + for (j = 0; j < VNC_STAT_RECT; ++j) { + bitmap_set(vs->dirty[y + j], x / 16, VNC_STAT_RECT / 16); + } + has_dirty++; + } + + return has_dirty; +} + +static int vnc_update_stats(VncDisplay *vd, struct timeval * tv) +{ + int width = pixman_image_get_width(vd->guest.fb); + int height = pixman_image_get_height(vd->guest.fb); + int x, y; + struct timeval res; + int has_dirty = 0; + + for (y = 0; y < height; y += VNC_STAT_RECT) { + for (x = 0; x < width; x += VNC_STAT_RECT) { + VncRectStat *rect = vnc_stat_rect(vd, x, y); + + rect->updated = false; + } + } + + qemu_timersub(tv, &VNC_REFRESH_STATS, &res); + + if (timercmp(&vd->guest.last_freq_check, &res, >)) { + return has_dirty; + } + vd->guest.last_freq_check = *tv; + + for (y = 0; y < height; y += VNC_STAT_RECT) { + for (x = 0; x < width; x += VNC_STAT_RECT) { + VncRectStat *rect= vnc_stat_rect(vd, x, y); + int count = ARRAY_SIZE(rect->times); + struct timeval min, max; + + if (!timerisset(&rect->times[count - 1])) { + continue ; + } + + max = rect->times[(rect->idx + count - 1) % count]; + qemu_timersub(tv, &max, &res); + + if (timercmp(&res, &VNC_REFRESH_LOSSY, >)) { + rect->freq = 0; + has_dirty += vnc_refresh_lossy_rect(vd, x, y); + memset(rect->times, 0, sizeof (rect->times)); + continue ; + } + + min = rect->times[rect->idx]; + max = rect->times[(rect->idx + count - 1) % count]; + qemu_timersub(&max, &min, &res); + + rect->freq = res.tv_sec + res.tv_usec / 1000000.; + rect->freq /= count; + rect->freq = 1. / rect->freq; + } + } + return has_dirty; +} + +double vnc_update_freq(VncState *vs, int x, int y, int w, int h) +{ + int i, j; + double total = 0; + int num = 0; + + x = (x / VNC_STAT_RECT) * VNC_STAT_RECT; + y = (y / VNC_STAT_RECT) * VNC_STAT_RECT; + + for (j = y; j <= y + h; j += VNC_STAT_RECT) { + for (i = x; i <= x + w; i += VNC_STAT_RECT) { + total += vnc_stat_rect(vs->vd, i, j)->freq; + num++; + } + } + + if (num) { + return total / num; + } else { + return 0; + } +} + +static void vnc_rect_updated(VncDisplay *vd, int x, int y, struct timeval * tv) +{ + VncRectStat *rect; + + rect = vnc_stat_rect(vd, x, y); + if (rect->updated) { + return ; + } + rect->times[rect->idx] = *tv; + rect->idx = (rect->idx + 1) % ARRAY_SIZE(rect->times); + rect->updated = true; +} + static int vnc_refresh_server_surface(VncDisplay *vd) { + int width = pixman_image_get_width(vd->guest.fb); + int height = pixman_image_get_height(vd->guest.fb); 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; + pixman_image_t *tmpbuf = NULL; + + struct timeval tv = { 0, 0 }; + + if (!vd->non_adaptive) { + gettimeofday(&tv, NULL); + has_dirty = vnc_update_stats(vd, &tv); + } /* * 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)) { + cmp_bytes = 64; + if (cmp_bytes > vnc_server_fb_stride(vd)) { + cmp_bytes = vnc_server_fb_stride(vd); + } + if (vd->guest.format != VNC_SERVER_FB_FORMAT) { + int width = pixman_image_get_width(vd->server); + tmpbuf = qemu_pixman_linebuf_create(VNC_SERVER_FB_FORMAT, width); + } + guest_row = (uint8_t *)pixman_image_get_data(vd->guest.fb); + server_row = (uint8_t *)pixman_image_get_data(vd->server); + for (y = 0; y < height; y++) { + if (!bitmap_empty(vd->guest.dirty[y], VNC_DIRTY_BITS)) { int x; uint8_t *guest_ptr; uint8_t *server_ptr; - guest_ptr = guest_row; + if (vd->guest.format != VNC_SERVER_FB_FORMAT) { + qemu_pixman_linebuf_fill(tmpbuf, vd->guest.fb, width, y); + guest_ptr = (uint8_t *)pixman_image_get_data(tmpbuf); + } else { + guest_ptr = guest_row; + } server_ptr = server_row; - for (x = 0; x < vd->guest.ds->width; + for (x = 0; x + 15 < width; x += 16, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) { - if (!vnc_get_bit(vd->guest.dirty[y], (x / 16))) + if (!test_and_clear_bit((x / 16), vd->guest.dirty[y])) 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); + if (!vd->non_adaptive) + vnc_rect_updated(vd, x, y, &tv); QTAILQ_FOREACH(vs, &vd->clients, next) { - vnc_set_bit(vs->dirty[y], (x / 16)); + set_bit((x / 16), vs->dirty[y]); } has_dirty++; } } - guest_row += ds_get_linesize(vd->ds); - server_row += ds_get_linesize(vd->ds); + guest_row += pixman_image_get_stride(vd->guest.fb); + server_row += pixman_image_get_stride(vd->server); } + qemu_pixman_image_unref(tmpbuf); return has_dirty; } @@ -2309,7 +2608,7 @@ static void vnc_refresh(void *opaque) if (vnc_trylock_display(vd)) { vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; - qemu_mod_timer(vd->timer, qemu_get_clock(rt_clock) + + qemu_mod_timer(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval); return; } @@ -2336,14 +2635,15 @@ static void vnc_refresh(void *opaque) 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); + qemu_mod_timer(vd->timer, qemu_get_clock_ms(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); + vd->timer = qemu_new_timer_ms(rt_clock, vnc_refresh, vd); + vnc_dpy_resize(vd->ds); vnc_refresh(vd); } } @@ -2357,11 +2657,30 @@ static void vnc_remove_timer(VncDisplay *vd) } } -static void vnc_connect(VncDisplay *vd, int csock) +static void vnc_connect(VncDisplay *vd, int csock, int skipauth) { - VncState *vs = qemu_mallocz(sizeof(VncState)); + VncState *vs = g_malloc0(sizeof(VncState)); + int i; + vs->csock = csock; + if (skipauth) { + vs->auth = VNC_AUTH_NONE; +#ifdef CONFIG_VNC_TLS + vs->subauth = VNC_AUTH_INVALID; +#endif + } else { + vs->auth = vd->auth; +#ifdef CONFIG_VNC_TLS + vs->subauth = vd->subauth; +#endif + } + + vs->lossy_rect = g_malloc0(VNC_STAT_ROWS * sizeof (*vs->lossy_rect)); + for (i = 0; i < VNC_STAT_ROWS; ++i) { + vs->lossy_rect[i] = g_malloc0(VNC_STAT_COLS * sizeof (uint8_t)); + } + VNC_DEBUG("New client on socket %d\n", csock); dcl->idle = 0; socket_set_nonblock(vs->csock); @@ -2369,6 +2688,7 @@ static void vnc_connect(VncDisplay *vd, int csock) vnc_client_cache_addr(vs); vnc_qmp_event(vs, QEVENT_VNC_CONNECTED); + vnc_set_share_mode(vs, VNC_SHARE_MODE_CONNECTING); vs->vd = vd; vs->ds = vd->ds; @@ -2380,9 +2700,8 @@ static void vnc_connect(VncDisplay *vd, int csock) vs->as.fmt = AUD_FMT_S16; vs->as.endianness = 0; -#ifdef CONFIG_VNC_THREAD qemu_mutex_init(&vs->output_mutex); -#endif + vs->bh = qemu_bh_new(vnc_jobs_bh, vs); QTAILQ_INSERT_HEAD(&vd->clients, vs, next); @@ -2414,15 +2733,15 @@ static void vnc_listen_read(void *opaque) int csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen); if (csock != -1) { - vnc_connect(vs, csock); + vnc_connect(vs, csock, 0); } } void vnc_display_init(DisplayState *ds) { - VncDisplay *vs = qemu_mallocz(sizeof(*vs)); + VncDisplay *vs = g_malloc0(sizeof(*vs)); - dcl = qemu_mallocz(sizeof(DisplayChangeListener)); + dcl = g_malloc0(sizeof(DisplayChangeListener)); ds->opaque = vs; dcl->idle = 1; @@ -2432,6 +2751,7 @@ void vnc_display_init(DisplayState *ds) vs->ds = ds; QTAILQ_INIT(&vs->clients); + vs->expires = TIME_MAX; if (keyboard_layout) vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); @@ -2441,29 +2761,27 @@ void vnc_display_init(DisplayState *ds) if (!vs->kbd_layout) exit(1); -#ifdef CONFIG_VNC_THREAD qemu_mutex_init(&vs->mutex); vnc_start_worker_thread(); -#endif - dcl->dpy_copy = vnc_dpy_copy; - dcl->dpy_update = vnc_dpy_update; - dcl->dpy_resize = vnc_dpy_resize; - dcl->dpy_setdata = vnc_dpy_setdata; + dcl->dpy_gfx_copy = vnc_dpy_copy; + dcl->dpy_gfx_update = vnc_dpy_update; + dcl->dpy_gfx_resize = vnc_dpy_resize; + dcl->dpy_gfx_setdata = vnc_dpy_setdata; + dcl->dpy_mouse_set = vnc_mouse_set; + dcl->dpy_cursor_define = vnc_dpy_cursor_define; register_displaychangelistener(ds, dcl); - ds->mouse_set = vnc_mouse_set; - ds->cursor_define = vnc_dpy_cursor_define; } -void vnc_display_close(DisplayState *ds) +static void vnc_display_close(DisplayState *ds) { VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; if (!vs) return; if (vs->display) { - qemu_free(vs->display); + g_free(vs->display); vs->display = NULL; } if (vs->lsock != -1) { @@ -2478,7 +2796,7 @@ void vnc_display_close(DisplayState *ds) #endif } -int vnc_display_password(DisplayState *ds, const char *password) +static int vnc_display_disable_login(DisplayState *ds) { VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; @@ -2487,22 +2805,55 @@ int vnc_display_password(DisplayState *ds, const char *password) } if (vs->password) { - qemu_free(vs->password); + g_free(vs->password); + } + + vs->password = NULL; + if (vs->auth == VNC_AUTH_NONE) { + vs->auth = VNC_AUTH_VNC; + } + + return 0; +} + +int vnc_display_password(DisplayState *ds, const char *password) +{ + VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; + + if (!vs) { + return -EINVAL; + } + + if (!password) { + /* This is not the intention of this interface but err on the side + of being safe */ + return vnc_display_disable_login(ds); + } + + if (vs->password) { + g_free(vs->password); vs->password = NULL; } - if (password && password[0]) { - 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; + vs->password = g_strdup(password); + if (vs->auth == VNC_AUTH_NONE) { + vs->auth = VNC_AUTH_VNC; } return 0; } +int vnc_display_pw_expire(DisplayState *ds, time_t expires) +{ + VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; + + if (!vs) { + return -EINVAL; + } + + vs->expires = expires; + return 0; +} + char *vnc_display_local_addr(DisplayState *ds) { VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; @@ -2510,7 +2861,7 @@ char *vnc_display_local_addr(DisplayState *ds) return vnc_socket_local_addr("%s:%s", vs->lsock); } -int vnc_display_open(DisplayState *ds, const char *display) +void vnc_display_open(DisplayState *ds, const char *display, Error **errp) { VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; const char *options; @@ -2523,26 +2874,37 @@ int vnc_display_open(DisplayState *ds, const char *display) int sasl = 0; int saslErr; #endif +#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) int acl = 0; +#endif int lock_key_sync = 1; - if (!vnc_display) - return -1; + if (!vnc_display) { + error_setg(errp, "VNC display not active"); + return; + } vnc_display_close(ds); if (strcmp(display, "none") == 0) - return 0; + return; - if (!(vs->display = strdup(display))) - return -1; + vs->display = g_strdup(display); + vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; options = display; while ((options = strchr(options, ','))) { options++; if (strncmp(options, "password", 8) == 0) { + if (fips_get_state()) { + error_setg(errp, + "VNC password auth disabled due to FIPS mode, " + "consider using the VeNCrypt or SASL authentication " + "methods as an alternative"); + goto fail; + } password = 1; /* Require password auth */ } else if (strncmp(options, "reverse", 7) == 0) { reverse = 1; - } else if (strncmp(options, "no-lock-key-sync", 9) == 0) { + } else if (strncmp(options, "no-lock-key-sync", 16) == 0) { lock_key_sync = 0; #ifdef CONFIG_VNC_SASL } else if (strncmp(options, "sasl", 4) == 0) { @@ -2563,28 +2925,39 @@ int vnc_display_open(DisplayState *ds, const char *display) end = strchr(options, ','); if (start && (!end || (start < end))) { int len = end ? end-(start+1) : strlen(start+1); - char *path = qemu_strndup(start + 1, len); + char *path = g_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; + error_setg(errp, "Failed to find x509 certificates/keys in %s", path); + g_free(path); + goto fail; } - qemu_free(path); + g_free(path); } else { - fprintf(stderr, "No certificate path provided\n"); - qemu_free(vs->display); - vs->display = NULL; - return -1; + error_setg(errp, "No certificate path provided"); + goto fail; } #endif +#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) } else if (strncmp(options, "acl", 3) == 0) { acl = 1; +#endif } else if (strncmp(options, "lossy", 5) == 0) { vs->lossy = true; + } else if (strncmp(options, "non-adapative", 13) == 0) { + vs->non_adaptive = true; + } else if (strncmp(options, "share=", 6) == 0) { + if (strncmp(options+6, "ignore", 6) == 0) { + vs->share_policy = VNC_SHARE_POLICY_IGNORE; + } else if (strncmp(options+6, "allow-exclusive", 15) == 0) { + vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; + } else if (strncmp(options+6, "force-shared", 12) == 0) { + vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED; + } else { + error_setg(errp, "unknown vnc share= option"); + goto fail; + } } } @@ -2684,49 +3057,55 @@ int vnc_display_open(DisplayState *ds, const char *display) #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; + error_setg(errp, "Failed to initialize SASL auth: %s", + sasl_errstring(saslErr, NULL, NULL)); + goto fail; } #endif vs->lock_key_sync = lock_key_sync; 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; + int csock; + vs->lsock = -1; + if (strncmp(display, "unix:", 5) == 0) { + csock = unix_connect(display+5, errp); } else { - int csock = vs->lsock; - vs->lsock = -1; - vnc_connect(vs, csock); + csock = inet_connect(display, errp); } - return 0; - + if (csock < 0) { + goto fail; + } + vnc_connect(vs, csock, 0); } else { /* listen for connects */ char *dpy; - dpy = qemu_malloc(256); + dpy = g_malloc(256); if (strncmp(display, "unix:", 5) == 0) { pstrcpy(dpy, 256, "unix:"); - vs->lsock = unix_listen(display+5, dpy+5, 256-5); + vs->lsock = unix_listen(display+5, dpy+5, 256-5, errp); } else { - vs->lsock = inet_listen(display, dpy, 256, SOCK_STREAM, 5900); + vs->lsock = inet_listen(display, dpy, 256, + SOCK_STREAM, 5900, errp); } - if (-1 == vs->lsock) { - free(dpy); - return -1; - } else { - free(vs->display); - vs->display = dpy; + if (vs->lsock < 0) { + g_free(dpy); + goto fail; } + g_free(vs->display); + vs->display = dpy; + qemu_set_fd_handler2(vs->lsock, NULL, vnc_listen_read, NULL, vs); } - return qemu_set_fd_handler2(vs->lsock, NULL, vnc_listen_read, NULL, vs); + return; + +fail: + g_free(vs->display); + vs->display = NULL; +} + +void vnc_display_add_client(DisplayState *ds, int csock, int skipauth) +{ + VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; + + vnc_connect(vs, csock, skipauth); }