diff --git a/trace-events b/trace-events index f256ca51b0..616a2d6bbe 100644 --- a/trace-events +++ b/trace-events @@ -1047,6 +1047,14 @@ gd_update(const char *tab, int x, int y, int w, int h) "tab=%s, x=%d, y=%d, w=%d gd_key_event(const char *tab, int gdk_keycode, int qemu_keycode, const char *action) "tab=%s, translated GDK keycode %d to QEMU keycode %d (%s)" gd_grab(const char *tab, const char *device, bool on) "tab=%s, %s %d" +# ui/vnc.c +vnc_key_guest_leds(bool caps, bool num, bool scroll) "caps %d, num %d, scroll %d" +vnc_key_map_init(const char *layout) "%s" +vnc_key_event_ext(bool down, int sym, int keycode, const char *name) "down %d, sym 0x%x, keycode 0x%x [%s]" +vnc_key_event_map(bool down, int sym, int keycode, const char *name) "down %d, sym 0x%x -> keycode 0x%x [%s]" +vnc_key_sync_numlock(bool on) "%d" +vnc_key_sync_capslock(bool on) "%d" + # ui/input.c input_event_key_number(int conidx, int number, const char *qcode, bool down) "con %d, key number 0x%x [%s], down %d" input_event_key_qcode(int conidx, const char *qcode, bool down) "con %d, key qcode %s, down %d" diff --git a/ui/vnc-enc-tight.c b/ui/vnc-enc-tight.c index 59b59c0c79..f02352cc46 100644 --- a/ui/vnc-enc-tight.c +++ b/ui/vnc-enc-tight.c @@ -181,6 +181,10 @@ tight_detect_smooth_image24(VncState *vs, int w, int h) } } + if (pixels == 0) { + return 0; + } + /* 95% smooth or more ... */ if (stats[0] * 33 / pixels >= 95) { return 0; @@ -267,7 +271,9 @@ tight_detect_smooth_image24(VncState *vs, int w, int h) y += w; \ } \ } \ - \ + if (pixels == 0) { \ + return 0; \ + } \ if ((stats[0] + stats[1]) * 100 / pixels >= 90) { \ return 0; \ } \ diff --git a/ui/vnc.c b/ui/vnc.c index 2d7def9aa2..61b1f933bf 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -26,6 +26,7 @@ #include "vnc.h" #include "vnc-jobs.h" +#include "trace.h" #include "sysemu/sysemu.h" #include "qemu/sockets.h" #include "qemu/timer.h" @@ -1597,6 +1598,10 @@ static void kbd_leds(void *opaque, int ledstate) int caps, num, scr; bool has_changed = (ledstate != current_led_state(vs)); + trace_vnc_key_guest_leds((ledstate & QEMU_CAPS_LOCK_LED), + (ledstate & QEMU_NUM_LOCK_LED), + (ledstate & QEMU_SCROLL_LOCK_LED)); + caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0; num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0; scr = ledstate & QEMU_SCROLL_LOCK_LED ? 1 : 0; @@ -1659,11 +1664,13 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym) */ if (keysym_is_numlock(vs->vd->kbd_layout, sym & 0xFFFF)) { if (!vs->modifiers_state[0x45]) { + trace_vnc_key_sync_numlock(true); vs->modifiers_state[0x45] = 1; press_key(vs, 0xff7f); } } else { if (vs->modifiers_state[0x45]) { + trace_vnc_key_sync_numlock(false); vs->modifiers_state[0x45] = 0; press_key(vs, 0xff7f); } @@ -1682,11 +1689,13 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym) int capslock = !!(vs->modifiers_state[0x3a]); if (capslock) { if (uppercase == shift) { + trace_vnc_key_sync_capslock(false); vs->modifiers_state[0x3a] = 0; press_key(vs, 0xffe5); } } else { if (uppercase != shift) { + trace_vnc_key_sync_capslock(true); vs->modifiers_state[0x3a] = 1; press_key(vs, 0xffe5); } @@ -1819,6 +1828,11 @@ static void vnc_release_modifiers(VncState *vs) } } +static const char *code2name(int keycode) +{ + return QKeyCode_lookup[qemu_input_key_number_to_qcode(keycode)]; +} + static void key_event(VncState *vs, int down, uint32_t sym) { int keycode; @@ -1829,6 +1843,7 @@ static void key_event(VncState *vs, int down, uint32_t sym) } keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK; + trace_vnc_key_event_map(down, sym, keycode, code2name(keycode)); do_key_event(vs, down, keycode, sym); } @@ -1836,10 +1851,12 @@ 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) + if (keyboard_layout) { key_event(vs, down, sym); - else + } else { + trace_vnc_key_event_ext(down, sym, keycode, code2name(keycode)); do_key_event(vs, down, keycode, sym); + } } static void framebuffer_update_request(VncState *vs, int incremental, @@ -2929,10 +2946,12 @@ void vnc_display_init(DisplayState *ds) QTAILQ_INIT(&vs->clients); vs->expires = TIME_MAX; - if (keyboard_layout) + if (keyboard_layout) { + trace_vnc_key_map_init(keyboard_layout); vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); - else + } else { vs->kbd_layout = init_keyboard_layout(name2keysym, "en-us"); + } if (!vs->kbd_layout) exit(1); @@ -2976,26 +2995,6 @@ static void vnc_display_close(DisplayState *ds) #endif } -static int vnc_display_disable_login(DisplayState *ds) -{ - VncDisplay *vs = vnc_display; - - if (!vs) { - return -1; - } - - if (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 = vnc_display; @@ -3003,20 +3002,18 @@ int vnc_display_password(DisplayState *ds, const char *password) 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->auth == VNC_AUTH_NONE) { + error_printf_unless_qmp("If you want use passwords please enable " + "password auth using '-vnc ${dpy},password'."); + return -EINVAL; } if (vs->password) { g_free(vs->password); vs->password = NULL; } - vs->password = g_strdup(password); - if (vs->auth == VNC_AUTH_NONE) { - vs->auth = VNC_AUTH_VNC; + if (password) { + vs->password = g_strdup(password); } return 0;