Merge tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu into staging

Misc sockets, crypto and VNC fixes

* Fix rare EADDRINUSE failures on OpenBSD platforms seen
with migration
* F

Merge tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu into staging

Misc sockets, crypto and VNC fixes

* Fix rare EADDRINUSE failures on OpenBSD platforms seen
with migration
* Fix & test overwriting of hash output buffer
* Close connection instead of returning empty SASL mechlist to
VNC clients
* Fix handling of SASL SSF on VNC server UNIX sockets
* Fix handling of NULL SASL server data in VNC server
* Validate trailing NUL padding byte from SASL client
* Fix & test AF_ALG crypto backend build
* Remove unused code in sockets and crypto subsystems

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# gpg: Signature made Tue 22 Oct 2024 15:08:05 BST
# gpg: using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg: aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E 8E3F BE86 EBB4 1510 4FDF

* tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu:
gitlab: enable afalg tests in fedora system test
ui: validate NUL byte padding in SASL client data more strictly
ui: fix handling of NULL SASL server data
ui/vnc: don't check for SSF after SASL authentication on UNIX sockets
ui/vnc: fix skipping SASL SSF on UNIX sockets
ui/vnc: don't raise error formatting socket address for non-inet
ui/vnc: don't return an empty SASL mechlist to the client
crypto/hash-afalg: Fix broken build
include/crypto: clarify @result/@result_len for hash/hmac APIs
tests: correctly validate result buffer in hash/hmac tests
crypto/hash: avoid overwriting user supplied result pointer
util: don't set SO_REUSEADDR on client sockets
sockets: Remove deadcode
crypto: Remove unused DER string functions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

ui/vnc: fix skipping SASL SSF on UNIX sockets

The 'is_unix' flag is set on the VNC server during startup, however,
a regression in:

commit 8bd22f477f68bbd7a9c88e926e7a58bf65605e39
Author: Danie

ui/vnc: fix skipping SASL SSF on UNIX sockets

The 'is_unix' flag is set on the VNC server during startup, however,
a regression in:

commit 8bd22f477f68bbd7a9c88e926e7a58bf65605e39
Author: Daniel P. Berrangé <berrange@redhat.com>
Date: Fri Feb 3 12:06:46 2017 +0000

ui: extract code to connect/listen from vnc_display_open

meant we stopped setting the 'is_unix' flag when QEMU listens for
VNC sockets, only setting when QEMU does a reverse VNC connection.

Rather than fixing setting of the 'is_unix' flag, remove it, and
directly check the live client socket address. This is more robust
to a possible situation where the VNC server was listening on a
mixture of INET and UNIX sockets.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

show more ...

Merge tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

UI-related for 9.1

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Merge tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

UI-related for 9.1

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# gpg: Signature made Tue 23 Jul 2024 06:05:34 AM AEST
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]

* tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
chardev/char-win-stdio.c: restore old console mode
ui/vdagent: send caps on fe_open
ui/vdagent: notify clipboard peers of serial reset
ui/vdagent: improve vdagent_fe_open() trace
ui: add more tracing for dbus
Cursor: 8 -> 1 bit alpha downsampling improvement
virtio-gpu-gl: declare dependency on ui-opengl
vnc: increase max display size

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

vnc: increase max display size

It's 2024. 4k display resolutions are a thing these days.
Raise width and height limits of the qemu vnc server.

Resolves: https://gitlab.com/qemu-project/qemu/-/issu

vnc: increase max display size

It's 2024. 4k display resolutions are a thing these days.
Raise width and height limits of the qemu vnc server.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1596
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240530111029.1726329-1-kraxel@redhat.com>

show more ...

Merge tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu into staging

- LUKS support for detached headers
- Update x86 CPU model docs and script
- Add missing close of chardev QIOC

Merge tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu into staging

- LUKS support for detached headers
- Update x86 CPU model docs and script
- Add missing close of chardev QIOChannel
- More trace events o nTKS handshake
- Drop unsafe VNC constants
- Increase NOFILE limit during startup

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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 09 Feb 2024 14:04:05 GMT
# gpg: using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg: aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E 8E3F BE86 EBB4 1510 4FDF

* tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu:
tests: Add case for LUKS volume with detached header
crypto: Introduce 'detached-header' field in QCryptoBlockInfoLUKS
block: Support detached LUKS header creation using qemu-img
block: Support detached LUKS header creation using blockdev-create
crypto: Modify the qcrypto_block_create to support creation flags
qapi: Make parameter 'file' optional for BlockdevCreateOptionsLUKS
crypto: Support LUKS volume with detached header
io: add trace event when cancelling TLS handshake
chardev: close QIOChannel before unref'ing
docs: re-generate x86_64 ABI compatibility CSV
docs: fix highlighting of CPU ABI header rows
scripts: drop comment about autogenerated CPU API file
softmmu: remove obsolete comment about libvirt timeouts
ui: drop VNC feature _MASK constants
qemu_init: increase NOFILE soft limit on POSIX
crypto: Introduce SM4 symmetric cipher algorithm
meson: sort C warning flags alphabetically

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

ui: drop VNC feature _MASK constants

Each VNC feature enum entry has a corresponding _MASK constant
which is the bit-shifted value. It is very easy for contributors
to accidentally use the _MASK con

ui: drop VNC feature _MASK constants

Each VNC feature enum entry has a corresponding _MASK constant
which is the bit-shifted value. It is very easy for contributors
to accidentally use the _MASK constant, instead of the non-_MASK
constant, or the reverse. No compiler warning is possible and
it'll just silently do the wrong thing at runtime.

By introducing the vnc_set_feature helper method, we can drop
all the _MASK constants and thus prevent any future accidents.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

show more ...

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fix from optionrom build
* fix for KVM on Apple M2
* introduce machine property "audiodev"
* ui/vnc: Require audiodev= to e

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fix from optionrom build
* fix for KVM on Apple M2
* introduce machine property "audiodev"
* ui/vnc: Require audiodev= to enable audio
* audio: remove QEMU_AUDIO_* and -audio-help support
* audio: forbid using default audiodev backend with -audiodev and -nodefaults
* remove compatibility code for old machine types
* make-release: do not ship dtc sources
* build system cleanups

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# gpg: Signature made Tue 03 Oct 2023 04:30:00 EDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
audio: forbid default audiodev backend with -nodefaults
audio: propagate Error * out of audio_init
vt82c686 machines: Support machine-default audiodev with fallback
hw/ppc: Support machine-default audiodev with fallback
hw/arm: Support machine-default audiodev with fallback
Introduce machine property "audiodev"
audio: remove QEMU_AUDIO_* and -audio-help support
audio: simplify flow in audio_init
audio: commonize voice initialization
audio: return Error ** from audio_state_by_name
audio: allow returning an error from the driver init
audio: Require AudioState in AUD_add_capture
ui/vnc: Require audiodev= to enable audio
crypto: only include tls-cipher-suites in emulators
scsi-disk: ensure that FORMAT UNIT commands are terminated
esp: restrict non-DMA transfer length to that of available data
esp: use correct type for esp_dma_enable() in sysbus_esp_gpio_demux()
Makefile: build plugins before running TCG tests
meson: clean up static_library keyword arguments
make-release: do not ship dtc sources
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

ui/vnc: Require audiodev= to enable audio

If there is no audiodev do not send the audio ack in response to
VNC_ENCODING_AUDIO, so that clients aren't told audio exists, and
immediately drop the clie

ui/vnc: Require audiodev= to enable audio

If there is no audiodev do not send the audio ack in response to
VNC_ENCODING_AUDIO, so that clients aren't told audio exists, and
immediately drop the client if they try to send any audio control messages
when audio is not advertised.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge tag 'display-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

ui: dbus & misc fixes

v2:
- fix crash spotted by avocado VNC test

# -----BEGIN PGP SIGNATURE-----
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Merge tag 'display-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

ui: dbus & misc fixes

v2:
- fix crash spotted by avocado VNC test

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# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 13 Mar 2023 20:01:22 GMT
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5

* tag 'display-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
ui/dbus: restrict opengl to gbm-enabled config
ui/dbus: do not require opengl & gbm
ui: introduce egl_init()
ui/sdl: try to instantiate the matching opengl renderer
ui/sdl: add QEMU_ENABLE_SDL_LOGGING setting/environment
ui/egl: print EGL error, helping debugging
ui/shader: fix #version directive must occur on first line
ui/sdl: get the GL context from the window
ui: set cursor position upon listener registration
ui: set cursor upon listener registration
ui: keep current cursor with QemuConsole
ui: rename cursor_{get->ref}, return it
ui: rename cursor_{put->unref}
meson: ensure dbus-display generated code is built before other units
ui/dbus: set mouse is-absolute during console creation
audio/dbus: there are no sender for p2p mode
ui/dbus: unregister clipboard on connection close
ui/dbus: initialize cursor_fb

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

ui: keep current cursor with QemuConsole

Keeping the current cursor around is useful, not only for VNC, but for
other displays. Let's move it down, see the following patches for other
usages.

Signe

ui: keep current cursor with QemuConsole

Keeping the current cursor around is useful, not only for VNC, but for
other displays. Let's move it down, see the following patches for other
usages.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

show more ...

Merge tag 'kraxel-20220427-pull-request' of git://git.kraxel.org/qemu into staging

vnc: add display-update monitor command.
screendump: add png support.
vmsvga: screen update fix.
i386: sev setup fo

Merge tag 'kraxel-20220427-pull-request' of git://git.kraxel.org/qemu into staging

vnc: add display-update monitor command.
screendump: add png support.
vmsvga: screen update fix.
i386: sev setup for -bios loaded firmware

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# =yaxh
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 27 Apr 2022 10:29:41 AM PDT
# gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [undefined]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [undefined]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138

* tag 'kraxel-20220427-pull-request' of git://git.kraxel.org/qemu:
i386: firmware parsing and sev setup for -bios loaded firmware
i386: factor out x86_firmware_configure()
i386: move bios load error message
avocado/vnc: add test_change_listen
qapi/ui: add 'display-update' command for changing listen address
ui/vnc: refactor arrays of addresses to SocketAddressList
Added parameter to take screenshot with screendump as PNG
Replacing CONFIG_VNC_PNG with CONFIG_PNG
hw/display/vmware_vga: do not discard screen updates

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Replacing CONFIG_VNC_PNG with CONFIG_PNG

Libpng is only detected if VNC is enabled currently. This patch adds a
generalised png option in the meson build which is aimed to replace use of
CONFIG_VNC_

Replacing CONFIG_VNC_PNG with CONFIG_PNG

Libpng is only detected if VNC is enabled currently. This patch adds a
generalised png option in the meson build which is aimed to replace use of
CONFIG_VNC_PNG with CONFIG_PNG.

Signed-off-by: Kshitij Suri <kshitij.suri@nutanix.com>

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220408071336.99839-2-kshitij.suri@nutanix.com>

[ kraxel: add meson-buildoptions.sh updates ]
[ kraxel: fix centos8 testcase ]
[ kraxel: update --enable-vnc-png too ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

--enable-vnc-png fixup

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20210521-pull-request' into staging

ui: add cut+paste support.
ui: bugfixes for spice and vnc.

# gpg: Signature made Fri 21 May 2021 13:50:46 BS

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20210521-pull-request' into staging

ui: add cut+paste support.
ui: bugfixes for spice and vnc.

# gpg: Signature made Fri 21 May 2021 13:50:46 BST
# gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20210521-pull-request:
ui/gtk: add clipboard support
ui/gtk: move struct GtkDisplayState to ui/gtk.h
ui/vnc: clipboard support
ui/vdagent: add clipboard support
ui/vdagent: add mouse support
ui/vdagent: core infrastructure
ui: add clipboard documentation
ui: add clipboard infrastructure
build: add separate spice-protocol config option
ui/spice-display: check NULL pointer in interface_release_resource()
vnc: spelling fix (enable->enabled)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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ui/vnc: clipboard support

This patch adds support for cut+paste to the qemu vnc server, which
allows the vnc client exchange clipbaord data with qemu and other peers
like the qemu vdagent implementa

ui/vnc: clipboard support

This patch adds support for cut+paste to the qemu vnc server, which
allows the vnc client exchange clipbaord data with qemu and other peers
like the qemu vdagent implementation.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-8-kraxel@redhat.com>

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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20210316-pull-request' into staging

vnc+spice: password-secret option.
bugfixes for cocoa, vnc, opengl.

# gpg: Signature made Tue 16 Mar 2021 05

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20210316-pull-request' into staging

vnc+spice: password-secret option.
bugfixes for cocoa, vnc, opengl.

# gpg: Signature made Tue 16 Mar 2021 05:37:58 GMT
# gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20210316-pull-request:
ui/cocoa: Comment about modifier key input quirks
ui: fold qemu_alloc_display in only caller
ui: honour the actual guest display dimensions without rounding
ui: use client width/height in WMVi message
ui: avoid sending framebuffer updates outside client desktop bounds
ui: add more trace points for VNC client/server messages
ui/cocoa: Do not exit immediately after shutdown
opengl: Do not convert format with glTexImage2D on OpenGL ES
ui: deprecate "password" option for SPICE server
ui: introduce "password-secret" option for SPICE server
ui: introduce "password-secret" option for VNC servers

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

ui: honour the actual guest display dimensions without rounding

A long time ago the VNC server code had some memory corruption
fixes done in:

commit bea60dd7679364493a0d7f5b54316c767cf894ef
Aut

ui: honour the actual guest display dimensions without rounding

A long time ago the VNC server code had some memory corruption
fixes done in:

commit bea60dd7679364493a0d7f5b54316c767cf894ef
Author: Peter Lieven <pl@kamp.de>
Date: Mon Jun 30 10:57:51 2014 +0200

ui/vnc: fix potential memory corruption issues

One of the implications of the fix was that the VNC server would have a
thin black bad down the right hand side if the guest desktop width was
not a multiple of 16. In practice this was a non-issue since the VNC
server was always honouring a guest specified resolution and guests
essentially always pick from a small set of sane resolutions likely in
real world hardware.

We recently introduced support for the extended desktop resize extension
and as a result the VNC client has ability to specify an arbitrary
desktop size and the guest OS may well honour it exactly. As a result we
no longer have any guarantee that the width will be a multiple of 16,
and so when resizing the desktop we have a 93% chance of getting the
black bar on the right hand size.

The VNC server maintains three different desktop dimensions

1. The guest surface
2. The server surface
3. The client desktop

The requirement for the width to be a multiple of 16 only applies to
item 2, the server surface, for the purpose of doing dirty bitmap
tracking.

Normally we will set the client desktop size to always match the server
surface size, but that's not a strict requirement. In order to cope with
clients that don't support the desktop size encoding, we already allow
for the client desktop to be a different size that the server surface.

Thus we can trivially eliminate the black bar, but setting the client
desktop size to be the un-rounded server surface size - the so called
"true width".

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210311182957.486939-5-berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20210115-pull-request' into staging

ui/gtk: refresh rate fixes.
ui/vnc: add support for desktop resize and power contol.
ui/vnc: misc bugfixes.

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20210115-pull-request' into staging

ui/gtk: refresh rate fixes.
ui/vnc: add support for desktop resize and power contol.
ui/vnc: misc bugfixes.

# gpg: Signature made Fri 15 Jan 2021 10:24:10 GMT
# gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20210115-pull-request:
vnc: add support for extended desktop resize
vnc: move initialization to framebuffer_update_request
vnc: move check into vnc_cursor_define
vnc: Fix a memleak in vnc_display_connect()
ui: add support for remote power control to VNC server
vnc: fix unfinalized tlscreds for VncDisplay
ui/gtk: update monitor interval on egl displays
ui/gtk: expose gd_monitor_update_interval
ui/gtk: limit virtual console max update interval
ui/gtk: rename variable window to widget
ui/gtk: don't try to redefine SI prefixes

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

vnc: add support for extended desktop resize

The extended desktop resize encoding adds support for (a) clients
sending resize requests to the server, and (b) multihead support.

This patch implement

vnc: add support for extended desktop resize

The extended desktop resize encoding adds support for (a) clients
sending resize requests to the server, and (b) multihead support.

This patch implements (a). All resize requests are rejected by qemu.
Qemu can't resize the framebuffer on its own, this is in the hands of
the guest, so all qemu can do is forward the request to the guest.
Should the guest actually resize the framebuffer we can notify the vnc
client later with a separate message.

This requires support in the display device. Works with virtio-gpu.

https://github.com/rfbproto/rfbproto/blob/master/rfbproto.rst#extendeddesktopsize-pseudo-encoding

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20210112134120.2031837-4-kraxel@redhat.com

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ui: add support for remote power control to VNC server

The "XVP" (Xen VNC Proxy) extension defines a mechanism for a VNC client
to issue power control requests to trigger graceful shutdown, reboot,

ui: add support for remote power control to VNC server

The "XVP" (Xen VNC Proxy) extension defines a mechanism for a VNC client
to issue power control requests to trigger graceful shutdown, reboot, or
hard reset.

This option is not enabled by default, since we cannot assume that users
with VNC access implicitly have administrator access to the guest OS.

Thus is it enabled with a boolean "power-control" option e.g.

-vnc :1,power-control=on

While, QEMU can easily support shutdown and reset, there's no easy way
to wire up reboot support at this time. In theory it could be done by
issuing a shutdown, followed by a reset, but there's no convenient
wiring for such a pairing in QEMU. It also isn't possible to have the
VNC server directly talk to QEMU guest agent, since the agent chardev is
typically owned by an external mgmt app.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

[ kraxel: rebase to master ]
[ kraxel: add missing break ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20201211-pull-request' into staging

ui/console ui_info tweaks.
ui/vnc: alpha cursor support.
ui/vnc: locking fixes.
ui/sdl: add extra mouse butto

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20201211-pull-request' into staging

ui/console ui_info tweaks.
ui/vnc: alpha cursor support.
ui/vnc: locking fixes.
ui/sdl: add extra mouse buttons.

# gpg: Signature made Fri 11 Dec 2020 09:12:39 GMT
# gpg: using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20201211-pull-request:
sdl2: Add extra mouse buttons
ui/vnc: Add missing lock for send_color_map
vnc: add alpha cursor support
vnc: add pseudo encodings
vnc: drop unused copyrect feature
vnc: use enum for features
console: allow con==NULL in dpy_{get, set}_ui_info and dpy_ui_info_supported
console: drop qemu_console_get_ui_info

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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vnc: add alpha cursor support

There is a new vnc extension for cursors with an alpha channel. Use
it if supported by the vnc client, prefer it over the "rich cursor"
extension which supports only a

vnc: add alpha cursor support

There is a new vnc extension for cursors with an alpha channel. Use
it if supported by the vnc client, prefer it over the "rich cursor"
extension which supports only a bitmask for transparency.

This is a visible improvement especially on modern desktops which
actually use the alpha channel when defining cursors.

https://github.com/rfbproto/rfbproto/blob/master/rfbproto.rst#cursor-with-alpha-pseudo-encoding

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20201208115737.18581-7-kraxel@redhat.com

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vnc: add pseudo encodings

Add #defines for two new pseudo encodings:
* cursor with alpha channel.
* extended desktop resize.

https://github.com/rfbproto/rfbproto/blob/master/rfbproto.rst#pseudo-e

vnc: add pseudo encodings

Add #defines for two new pseudo encodings:
* cursor with alpha channel.
* extended desktop resize.

https://github.com/rfbproto/rfbproto/blob/master/rfbproto.rst#pseudo-encodings

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20201208115737.18581-6-kraxel@redhat.com

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vnc: drop unused copyrect feature

vnc stopped using the copyrect pseudo encoding in 2017, in commit
50628d3479e4 ("cirrus/vnc: zap bitblit support from console code.")
So we can drop the now unused

vnc: drop unused copyrect feature

vnc stopped using the copyrect pseudo encoding in 2017, in commit
50628d3479e4 ("cirrus/vnc: zap bitblit support from console code.")
So we can drop the now unused copyrect feature bit.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20201208115737.18581-5-kraxel@redhat.com

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vnc: use enum for features

Use an enum for the vnc feature bits. That way they are enumerated
automatically and we don't have to do that manually when adding or
removing features.

Signed-off-by: G

vnc: use enum for features

Use an enum for the vnc feature bits. That way they are enumerated
automatically and we don't have to do that manually when adding or
removing features.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20201208115737.18581-4-kraxel@redhat.com

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2019-12-17-v2' into staging

Error reporting patches for 2019-12-17

# gpg: Signature made Wed 18 Dec 2019 07:45:24 GMT
# gpg:

Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2019-12-17-v2' into staging

Error reporting patches for 2019-12-17

# gpg: Signature made Wed 18 Dec 2019 07:45:24 GMT
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2019-12-17-v2: (35 commits)
nbd: assert that Error** is not NULL in nbd_iter_channel_error
hw/vfio/ap: drop local_err from vfio_ap_realize
backends/cryptodev: drop local_err from cryptodev_backend_complete()
include/qom/object.h: rename Error ** parameter to more common errp
hw/usb: rename Error ** parameter to more common errp
hw/tpm: rename Error ** parameter to more common errp
hw/sd: drop extra whitespace in sdhci_sysbus_realize() header
hw/s390x: rename Error ** parameter to more common errp
monitor/qmp-cmds: rename Error ** parameter to more common errp
qga: rename Error ** parameter to more common errp
hw/i386/amd_iommu: rename Error ** parameter to more common errp
block/snapshot: rename Error ** parameter to more common errp
hw/core/qdev: cleanup Error ** variables
9pfs: make Error **errp const where it is appropriate
ppc: make Error **errp const where it is appropriate
Revert "ppc: well form kvmppc_hint_smt_possible error hint helper"
qdev-monitor: make Error **errp const where it is appropriate
vnc: drop Error pointer indirection in vnc_client_io_error
hmp: drop Error pointer indirection in hmp_handle_error
error: make Error **errp const where it is appropriate
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...