| Commit message (Collapse) | Author | Age | Files | Lines |
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When the client connects to a spice VM, if an agent is detected,
there will be a few messages exchanged to exchange capabilities,
display resolutions, ... This exchange has a timeout in case
something goes wrong. However, when it fires, the client dies.
This commit changes this and lets the client connects to the
guest when the timeout happens.
rhbz #673973
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492f7a9b fixed unwanted timeouts during initial client startup,
but it also caused a bad regression when connecting to
RHEL6+agent guests: the SPICE_MSGS_MAIN_ATTACH_CHANNELS message
was sent multiple times, once in RedClient::handle_init, then
once again in RedClient::on_agent_announce_capabilities (which
can even be triggered multiple times). Sending this message multiple
times is a big NO and causes the server to close the client connection,
and the client to die. Add a _msg_attach_message_sent boolean to
make sure we only send this message once.
rhbz #712938
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I changed RedScreen::resize not to call rearrange_monitors. Instead,
the monitor should be configured correctly from Application, before
calling resize.
In addition, I made some cleanups to allow reusing rearrange_monitors code.
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When surfaces are being reloaded to the worker, we
will send them to the client only if and when it needs them.
(cherry picked from commit 51628f512456cd26c8c6b417be6b34f3889b33d2)
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(cherry picked from commit 3be08d68c01618c81e0dff6caab125a53b4c047e)
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This does the following, all to remove any referenced memory on the pci bars:
flush_all_qxl_commands(worker);
flush_all_surfaces(worker);
red_wait_outgoing_item((RedChannel *)worker->display_channel);
red_wait_outgoing_item((RedChannel *)worker->cursor_channel);
The added api is specifically async, i.e. it calls async_complete
when done.
(cherry picked from commit 2a4d97fb780cf3ce2d9060751d0bec2fdc9800a9)
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when update_area_async is called update_area_complete will be called with
the surfaces dirty rectangle list.
(cherry picked from commit b26f0532c170068e91e4946592eab2fd9d6cbae5)
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(cherry picked from commit f300de20d9fd7731881ab99c87226fa44a80695b)
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The new _ASYNC io's in qxl_dev listed at the end get six new api
functions, and an additional callback function "async_complete". When
the async version of a specific io is used, completion is notified by
calling async_complete, and no READY message is written or expected by
the dispatcher.
update_area has been changed to push QXLRects to the worker thread, where
the conversion to SpiceRect takes place.
A cookie has been added to each async call to QXLWorker, and is passed back via
async_complete.
Added api:
QXLWorker:
update_area_async
add_memslot_async
destroy_surfaces_async
destroy_primary_surface_async
create_primary_surface_async
destroy_surface_wait_async
QXLInterface:
async_complete
(cherry picked from commit 096f49afbf4e83ccee80f58479b3ff05bd355660)
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In addition (1) make handle_dev_destroy_surfaces call red_release_cursor
(2) call red_wait_outgoing_item(cursor_channel) only after adding msgs to pipe
[3d3066b175ee2dec8e73c8c56f418a6ae98b1c26 cherry-pick with modifications]
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In C, the latter isn't a prototype for a function with no arg,
but declares a function with an undefined number of args.
[picked from master with changes since no main_channel, spice_common,
and a bunch of functions aren't there yet]
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For each callback in QXLWorker, for example QXLWorker::update_area, add
a direct call named spice_qxl_update_area.
This will (a) remove the pointless indirection and (b) make shared
library versioning alot easier as we'll get new linker symbols which
we can tag with the version they appeared in the shared library.
[cherry-picked from master]
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The C specification reserves use of identifiers starting with __
to the compiler so we shouldn't use one such symbol.
[cherry-pick from master]
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[0.8: there are no 0.10.0 symbols]
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Both connect_secure() and connect_unsecure() call connect_to_peer().
Prior to this commit spicec.log reported all connections as unsecure,
as connect_secure() called connect_unsecure() to make the connection.
This fixes RH bug #653545
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When qemu creates a channel, reds.c contains code to check the
minor/major channel versions known to QEMU (ie the ones that were
current in spice-server when QEMU was compiled) and to compare these
versions against the current ones the currently installed spice-server
version.
According to kraxel [1], the rules for these interface numbers are:
"The purpose of the versions is exactly to avoid the need for a new
soname. The rules are basically:
(1) You add stuff to the interface, strictly append-only to not break
binary compatibility.
(2) You bump the minor version of the interface.
(3) You check the minor version at runtime to figure whenever the
added fields contain valid stuff or not.
An example is here (core interface, minor goes from 2 to 3, new
channel_event callback):
http://cgit.freedesktop.org/spice/spice/commit/?id=97f33fa86aa6edd25111b173dc0d9599ac29f879
"
The code currently refuses to create a channel if QEMU minor version is
less than the current spice-server version. This does not correspond
to the intended behaviour, this patch changes to fail is qemu was compiled
with a spice-server that is *newer* than the one currently installed. This
case is something we cannot support nicely.
[1] http://lists.freedesktop.org/archives/spice-devel/2011-July/004440.html
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If you try to connect to a linux guest with WAN options, SPICE window opens up
and is blank - it then fails with vdagent timeout message. It should give a
warning that this is only applicable for windows guest and still connect to
guest.
It all starts in RedClient::handle_init
This function checks whether we have an agent or not, because if we have an
agent, there will be some kind of handshake to check both sides capabilities
before all the spice channels are created.
When there is no agent running, the startup process goes on with
SPICE_MSGC_MAIN_ATTACH_CHANNELS
When there is a windows agent running, VD_AGENT_ANNOUNCE_CAPABILITIES and
VD_AGENT_DISPLAY_CONFIG messages are sent to the agent, and when processing the
agent answer to the VD_AGENT_DISPLAY_CONFIG message,
SPICE_MSGC_MAIN_ATTACH_CHANNELS will be sent and the startup process will go
on.
However, when there is no agent running but --color-depth was used, handle_init
won't send the SPICE_MSGC_MAIN_ATTACH_CHANNELS message but will wait for the
agent handshake to proceed to its end, which won't happen, so it will timeout
waiting for agent answers.
Similarly, the linux agent handles VD_AGENT_ANNOUNCE_CAPABILITIES messages, but
it doesn't handle VD_AGENT_DISPLAY_CONFIG messages, so we'll never reach the
point where a SPICE_MSGC_MAIN_ATTACH_CHANNELS will be sent.
This commit fixes this in 2 places:
- unconditionnally send SPICE_MSGC_ATTACH_CHANNELS when no agent is running in
handle_init
- send SPICE_MSGC_MAIN_ATTACH_CHANNELS in
RedClient::on_agent_announce_capabilities if the agent doesn't have the
VD_AGENT_CAP_DISPLAY_CONFIG capability
This fixes RH bug #712938
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The WAN options (--color-depth and --disable-effects) need
support from the guest agent to be working. Currently they are
only supported on Windows. While I don't want to explicitly
mention Windows in --help output, we can hint that it won't
work with all guests in --help. This fixes RH bug #712941
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There is a double free in client/x11/platform.cpp.
In get_selection(), in the exit: case with ret_val == -1 and data != NULL,
*data_ret (which is returned to the caller) has already been
assigned "data", so it will be pointing to freed memory when "data" is
XFree'd'. Then in handle_selection_notify, get_selection_free is called on
this pointer, which causes a double free.
When the length of the read data = 0, set the returned value to NULL,
this way subsequent free attempts will be a noop.
Fixes RH bug #710461
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vinfo in x11/platform.cpp is allocated using new[] so it needs to
be freed with delete[]
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red_pipe_add_drawable can lead to removal of drawables from current tree
(since it calls red_handle_drawable_surfaces_client_synced), which can
also lead to releasing these drawables.
Before the fix, red_current_add_equal, called red_pipe_add_drawable,
without assuring afterwards that the drawables it refers to are still alive or
still in the current tree.
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red_handle_drawable_surfaces_client_synced was called only from red_pipe_add_drawable, while it
should also be called from red_pipe_add_drawable_after. Otherwise, the client
might receive a command with a reference to a surface it doesn't hold and crash.
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When the worker was stoped, the cursor was copied from guest ram to the host ram,
and its corresponding qxl command was released.
This is unecessary, since the qxl ram still exists (we keep references
to the surfaces in the same manner).
It also led to BSOD on guest upon migration: the device tracks cursor set commands and it stores
a reference to the last one. Then, it replays it to the destination server when migrating to it.
However, the command the qxl replayed has already been released from the pci by the original
worker, upon STOP.
Conflicts:
server/red_worker.c
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According to spice.proto the smartcard channel can receive acks and any
other message defined in BaseChannel. While the spicec implementation didn't
send an ACK spice-gtk does, so handle it.
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Check both in configure.ac (after checking if we need to rebuild
the marshalling files) and in the python script using pyparsing
(for people modifying .proto files in tarballs)
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Enable image randomized base address, hindering some types of
security attacks by making it more difficult for an attacker
to predict target addresses.
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eliminating redefinition warning
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(this patch is not to solve a crash fix, but to align with glib API)
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Since some spice C++ code is using code from common/, the C
functions need to be marked as such for the C++ compiler, otherwise
we'll get linkage issues.
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This makes the "C++ Compiler: ...." status output nicely
aligned with the other messages.
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configure.ac defines a SPICEC_STATIC_LINKAGE_BDYNAMIC variable
when --enable-static-linkage is not set, but it's never used.
SPICEC_STATIC_LINKAGE_BSTATIC is used in client/, but since we
are using libtool, it might be more appropriate to use
'make LDFLAGS="-all-static"' to achieve static link.
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Most uses of AC_ARG_ENABLE were buggy:
- when passing --disable-xxx, configure.ac would behave as if it
was passed --enable-xxx
- passing --enable-xxx=foo would "leak" into the summary, ie the
summary (at the end of configure) would say "xxx: foo" instead
of "xxx: yes"
This patch fixes these 2 issues.
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This was detected by clang-static-analyzer.
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They were detected using clang-static-analyzer. Don't initialize
the variable to a value to override it with a different value
a few lines after.
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gcc 4.6 warned about these.
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Commit 774e5bd36f4 changed
- dest->source.pixmap.x_image->data +
+ (uint8_t *)pixman_image_get_stride(dest->source.pixmap.pixman_image) +
The correct accessor to use is pixman_image_get_data. Thanks to gcc
4.6 for warning about a "different size" int to pointer conversion.
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The server Makefile.am rules for marshallers generation are
prefixed with AM_V_SILENT to integrate nicely with automake silent
rules. The same AM_V_SILENT prefix isn't used in client/Makefile.am
resulting in verbose output even when automake silent mode is
enabled. This commit removes this verbosity.
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clang static analyzer warned that 'len' was computed but never
used in glc_vertex2d. glc_stroke_line_dash has side effects so
we have to call it, but we don't need to save its return value
since it's not used.
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When OpenGL is enabled, build fails in DisplayChannel::create_surface
because Canvas *canvas is declared twice. Remove the first
declaration to fix compilation.
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We introduce 2 public functions to integrate with the library user.
spice_server_set_sasl() - turn on SASL
spice_server_set_sasl_appname() - specify the name of the app (It is
used for where to find the default configuration file)
The patch for QEMU is on its way.
https://bugs.freedesktop.org/show_bug.cgi?id=34795
Conflicts:
server/reds.c
server/reds.h
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