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agraf reported that qemu_mutex_destroy(vs->output_mutex) while failing
in vnc_disconnect_finish().
It's because vnc_worker_thread_loop() tries to unlock the mutex while
not locked. The unlocking call doesn't fail (pthread bug ?), but
the destroy call does.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Starting with SDL version 1.2.14, caps lock and num lock keys
will send a SDL_KEYUP when SDL_DISABLE_LOCK_KEYS=1 is set in
the environment.
The new code sets the environment unconditionally
(it won't harm old versions which do not know it).
The workaround for SDL_KEYUP is only compiled with old SDL versions.
A similar patch without handling of old SDL versions was already
published by Benjamin Drung for Ubuntu.
Cc: Anthony Liguori <aliguori@us.ibm.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Benjamin Drung <benjamin.drung@gmail.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Conflicts:
trace-events
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commit 52c18be9e99dabe295321153fda7fce9f76647ac introduced a regression in the
change vnc password command that changed the behavior of setting the VNC
password to an empty string from disabling login to disabling authentication.
This commit refactors the code to eliminate this overloaded semantics in
vnc_display_password and instead introduces the vnc_display_disable_login. The
monitor implementation then determines the behavior of an empty or missing
string.
Recently, a set_password command was added that allows both the Spice and VNC
password to be set. This command has not shown up in a release yet so the
behavior is not yet defined.
This patch proposes that an empty password be treated as an empty password with
no special handling. For specifically disabling login, I believe a new command
should be introduced instead of overloading semantics.
I'm not sure how Spice handles this but I would recommend that we have Spice
and VNC have consistent semantics here for the 0.14.0 release.
Reported-by: Neil Wilson <neil@aldur.co.uk>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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v1 -> v2
- Add a proper return to make sure that login is really disabled instead of
relying on the VNC server to treat empty passwords specially
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Variable rec is not used, remove it. Spotted by GCC 4.6.0:
CC ui/sdl.o
/src/qemu/ui/sdl.c: In function 'sdl_setdata':
/src/qemu/ui/sdl.c:90:14: error: variable 'rec' set but not used [-Werror=unused-but-set-variable]
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This patch makes the numlock+capslock tracking logic only look at
keydown events. Without this patch the vnc server will insert
bogous capslock keypress in case it sees the following key sequence:
shift down --- 'A' down --- shift up --- 'A' up
^ here
It doesn't hurt with a PS/2 keyboard, but it disturbs the USB Keyboard.
And with the key event queue just added to the usb keyboard the guest
will actually notice.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Adding a chardev backend for spice, where spice determines what
to do with it based on the name attribute given during chardev creation.
For usage by spice vdagent in conjunction with a properly named
virtio-serial device, and future smartcard channel usage.
Example usage:
qemu -device virtio-serial -chardev spicevmc,name=vdagent,id=vdagent \
-device virtserialport,chardev=vdagent,name=com.redhat.spice.0
v4->v5:
* add tracing events
* fix missing comma
* fix help string to show debug is optional
v3->v4:
* updated commit message
v1->v3 changes: (v2 had a wrong commit message)
* removed spice-qemu-char.h, folded into ui/qemu-spice.h
* removed dead IOCTL code
* removed comment
* removed ifdef CONFIG_SPICE from qemu-config.c and qemu-options.hx help.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Handle spice client migration, i.e. inform a spice client connected
about the new host and connection parameters, so it can move over the
connection automatically.
The monitor command has a not-yet used protocol argument simliar to
set_password and expire_password commands. This allows to add a simliar
feature to vnc in the future. Daniel Berrange plans to work on this.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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'extern' qualifier is useless for function declarations. Delete
them.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Fix a memory leak reported by cppcheck:
[/src/qemu/ui/vnc-auth-sasl.c:448]: (error) Memory leak: mechname
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This patch adds new set_password and expire_password monitor commands
which allows to change and expire the password for spice and vnc
connections. See the doc update patch chunk for details.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch adds support for expiring passwords to vnc. It adds a new
vnc_display_pw_expire() function which specifies the time when the
password will expire.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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protocol_client_auth_vnc() has two places where the auth can fail,
with identical code sending the reject message to the client.
Move the common code to the end of the function and make both
error paths jump there. No functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The patch adds a 'query-spice' monitor command which returns
informations about the spice server configuration and also a list of
channel connections.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch adds support for connection events to spice. The events are
quite simliar to the vnc events. Unlike vnc spice uses multiple tcp
channels though. qemu will report every single tcp connection (aka
spice channel). If you want track spice sessions only you can filter
for the main channel (channel-type == 1).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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qxl is a paravirtual graphics card. The qxl device is the bridge
between the guest and the spice server (aka libspice-server). The
spice server will send the rendering commands to the spice client, which
will actually render them.
The spice server is also able to render locally, which is done in case
the guest wants read something from video memory. Local rendering is
also used to support display over vnc and sdl.
qxl is activated using "-vga qxl". qxl supports multihead, additional
cards can be added via '-device qxl".
[ v2: add copyright to files ]
[ v2: use qemu-common.h for standard includes ]
[ v2: create separate qxl-vga device for primary ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add support for the spice audio interface. With this patch applied
audio can be forwarded over the network from/to the spice client. Both
recording and playback is supported.
The driver is first in the driver list, but the can_be_default flag is
set only in case spice is active. So if you have the spice protocol
enabled the spice audio driver is the default one, otherwise whatever
comes first after spice in the list. Overriding the default using
QEMU_AUDIO_DRV works in any case.
[ v2: audio codestyle: add spaces before open parenthesis ]
[ v2: add const to silence array ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: malc <av1474@comtv.ru>
Signed-off-by: malc <av1474@comtv.ru>
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qemu_spice_create_update() must aquire the global qemu mutex to
make sure DisplayState doesn't change while we are accessing it.
Once this is in place the private lock is pretty pointless as
everything it protects is covered by the global qemu mutex now.
Drop it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Replace the remaining format attribute printf by macro
GCC_FMT_ATTR which uses gnu_printf (if supported).
v2
* Removal of dyngen specific code is now done in a separate patch.
* Handle attribute in new ui/spice-display.c, too.
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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control-{@[\]^_} shouldn't get the 'a' - 'A' offset for correct
translation. ESC is better simulated as escape key.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Andrew Zaborowski <balrogg@gmail.com>
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Compiling with GCC 4.6.0 20100925 produced warnings:
/src/qemu/ui/vnc.c: In function 'vnc_client_cache_auth':
/src/qemu/ui/vnc.c:217:12: error: variable 'qdict' set but not used [-Werror=unused-but-set-variable]
/src/qemu/ui/vnc.c: In function 'vnc_display_open':
/src/qemu/ui/vnc.c:2526:9: error: variable 'acl' set but not used [-Werror=unused-but-set-variable]
Fix by making the variable declarations and their uses also conditional
to debug definition.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This patch adds a few more options to tweak spice server behavior.
The documentation update chunk has the details ;)
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Make listening address configurable. Also add options to
force using IPv4 or IPv6.
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This allows to enforce tls or plaintext usage for certain spice
channels.
[ v2: code style fixup ]
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This patch adds options to the -spice command line switch to
configure image compression.
[ v2: speling fix in the documentation ]
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Add options to the -spice command line switch to setup tls.
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Conflicts:
configure
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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multifuction -> multifunction
successfull -> successful.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
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Add support for the spice tablet interface. The tablet interface will
be registered (and then used by the spice client) as soon as a absolute
pointing device is available and used by the guest, i.e. you'll have to
configure your guest with '-usbdevice tablet'.
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With that patch applied you'll actually see the guests screen in the
spice client. This does *not* bring qxl and full spice support though.
This is basically the qxl vga mode made more generic, so it plays
together with any qemu-emulated gfx card. You can display stdvga or
cirrus via spice client. You can have both vnc and spice enabled and
clients connected at the same time.
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Open mouse channel. Now you can move the guests mouse pointer.
No tablet / absolute positioning (yet) though.
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Open keyboard channel. Now you can type into the spice client and the
keyboard events are sent to your guest. You'll need some other display
like vnc to actually see the guest responding to them though.
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Add -spice command line switch. Has support setting passwd and port for
now. With this patch applied the spice client can successfully connect
to qemu. You can't do anything useful yet though.
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bswap_NN() variants are not always available in CONFIG_MACHINE_BSWAP_H case
and bswapNN() are public APIs in "bswap.h".
Signed-off-by: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Serge Ziryukin <ftrvxmtrx@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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tight_compress_data()
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Setting fd = -1 to qemu_set_fd_handler2() causes bus error at FD_SET
in main_loop_wait().
Signed-off-by: Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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configure adds the macro WIN32_LEAN_AND_MEAN to
QEMU_CFLAGS, and SDL_syswm.h defines it, too.
This results in a compiler warning (redefinition of
WIN32_LEAN_AND_MEAN in SDL_syswm.h. That warning prevents
compilations for win32 with warning = error).
Fix this by removing the definition of WIN32_LEAN_AND_MEAN
before including SDL_syswm.h.
[blauwirbel@gmail.com: rebased]
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Commit d167f9bc06a577d6c85b8ed6991c1efe175aae7d missed this one:
/src/qemu/ui/vnc-enc-tight.c:1483: warning: 'ret' may be used uninitialized in this function
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Commit 7bccf57383cca60a778d5c543ac80c9f62d89ef2 missed this one:
/src/qemu/ui/vnc-enc-tight.c: In function 'send_sub_rect':
/src/qemu/ui/vnc-enc-tight.c:1527: warning: comparison is always true due to limited range of data type
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Fix mingw32 build errors like
/src/qemu/ui/vnc-enc-tight.c: In function 'tight_detect_smooth_image24':
/src/qemu/ui/vnc-enc-tight.c:119: error: 'uint' undeclared (first use in this function)
Replace 'uint' with proper 'unsigned int'.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Fix a warning with some GCCs:
/src/qemu/ui/vnc-enc-tight.c: In function `send_sub_rect_nojpeg':
/src/qemu/ui/vnc-enc-tight.c:1458: warning: `ret' might be used uninitialized in this function
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Fix the following warnings:
/src/qemu/hw/ide/core.c: In function `ide_drive_pio_post_load':
/src/qemu/hw/ide/core.c:2767: warning: comparison is always false due to limited range of data type
/src/qemu/ui/vnc-enc-tight.c: In function `tight_detect_smooth_image':
/src/qemu/ui/vnc-enc-tight.c:284: warning: comparison is always true due to limited range of data type
/src/qemu/ui/vnc-enc-tight.c:297: warning: comparison is always true due to limited range of data type
/src/qemu/ui/vnc-enc-tight.c: In function `tight_encode_indexed_rect16':
/src/qemu/ui/vnc-enc-tight.c:456: warning: comparison is always false due to limited range of data type
/src/qemu/ui/vnc-enc-tight.c: In function `tight_encode_indexed_rect32':
/src/qemu/ui/vnc-enc-tight.c:457: warning: comparison is always false due to limited range of data type
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Split send_sub_rect in send_sub_rect_jpeg and send_sub_rect_nojpeg to
remove all these #ifdef CONFIG_JPEG.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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rgb_prepare_row bpp depends on the server display surface, not
the client.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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