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2015-11-11blockdev: read-only-mode for blockdev-change-mediumMax Reitz
Add an option to qmp_blockdev_change_medium() which allows changing the read-only status of the block device whose medium is changed. Some drives do not have a inherently fixed read-only status; for instance, floppy disks can be set read-only or writable independently of the drive. Some users may find it useful to be able to therefore change the read-only status of a block device when changing the medium. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-11-11qmp: Introduce blockdev-change-mediumMax Reitz
Introduce a new QMP command 'blockdev-change-medium' which is intended to replace the 'change' command for block devices. The existing function qmp_change_blockdev() is accordingly renamed to qmp_blockdev_change_medium(). Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-11-06ui: Use g_new() & friends where that makes obvious senseMarkus Armbruster
g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer, for two reasons. One, it catches multiplication overflowing size_t. Two, it returns T * rather than void *, which lets the compiler catch more type errors. This commit only touches allocations with size arguments of the form sizeof(T). Same Coccinelle semantic patch as in commit b45c03f. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-11-06replay: recording of the user inputPavel Dovgalyuk
This records user input (keyboard and mouse events) in record mode and replays these input events in replay mode. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150917162524.8676.11696.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
2015-11-03vnc: fix bug: vnc server can't start when 'to' is specifiedYang Hongyang
commit e0d03b8ceb52 converted VNC startup to use SocketAddress, the interface socket_listen don't have a port_offset param, so we need to add the port offset (5900) to both 'port' and 'to' opts. currently only 'port' is added by offset. This patch add the port offset to 'to' opts. Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1445926252-14830-1-git-send-email-hongyang.yang@easystack.cn Cc: Daniel P. Berrange <berrange@redhat.com> Cc: Eric Blake <eblake@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-11-03vnc: allow fall back to RAW encodingPeter Lieven
I have observed that depending on the contents and the encoding it happens that sending data as RAW sometimes would take less space than the encoded data. This is especially the case for small updates or areas with high color images. If sending RAW encoded data is beneficial allow a fall back to RAW encoding for the framebuffer update. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-11-03ui/curses: Fix pageup/pagedown on -cursesOGAWA Hirofumi
Current KEY_NPAGE/KEY_PPAGE handling is broken on -curses. Those uses "GREY", but "KEY_MASK" masked out "GREY". To fix, we have to use correct mask value - SCANCODE_KEYMASK. Then, this adds support of "shift + pageup/pagedown". With this, -curses mode can use scroll-up/down as usual like other display modes. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-11-03ui/curses: Support line graphics chars on -curses modeOGAWA Hirofumi
This converts vga code to curses code in console_write_bh(). With this changes, we can see line graphics (for example, dialog uses) correctly. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-11-03ui/curses: Fix monitor color with -curses when 256 colorsOGAWA Hirofumi
If TERM=xterm-256color, COLOR_PAIRS==256 and monitor passes chtype like 0x74xx. Then, the code uses uninitialized color pair. As result, monitor uses black for both of fg and bg color, i.e. terminal is filled by black. To fix, this initialize above than 64 with default color (fg=white,bg=black). FIXME: on 256 color, curses may be possible better vga color emulation. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-11-02input: Convert to new qapi union layoutEric Blake
We have two issues with our qapi union layout: 1) Even though the QMP wire format spells the tag 'type', the C code spells it 'kind', requiring some hacks in the generator. 2) The C struct uses an anonymous union, which places all tag values in the same namespace as all non-variant members. This leads to spurious collisions if a tag value matches a non-variant member's name. Make the conversion to the new layout for input-related code. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1445898903-12082-20-git-send-email-eblake@redhat.com> [Commit message tweaked slightly] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-11-02sockets: Convert to new qapi union layoutEric Blake
We have two issues with our qapi union layout: 1) Even though the QMP wire format spells the tag 'type', the C code spells it 'kind', requiring some hacks in the generator. 2) The C struct uses an anonymous union, which places all tag values in the same namespace as all non-variant members. This leads to spurious collisions if a tag value matches a non-variant member's name. Make the conversion to the new layout for socket-related code. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1445898903-12082-17-git-send-email-eblake@redhat.com> [Commit message tweaked slightly] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-11-02qapi: Unbox base membersEric Blake
Rather than storing a base class as a pointer to a box, just store the fields of that base class in the same order, so that a child struct can be directly cast to its parent. This gives less malloc overhead, less pointer dereferencing, and even less generated code. Compare to the earlier commit 1e6c1616a "qapi: Generate a nicer struct for flat unions" (although that patch had fewer places to change, as less of qemu was directly using qapi structs for flat unions). It also allows us to turn on automatic type-safe wrappers for upcasting to the base class of a struct. Changes to the generated code look like this in qapi-types.h: | struct SpiceChannel { |- SpiceBasicInfo *base; |+ /* Members inherited from SpiceBasicInfo: */ |+ char *host; |+ char *port; |+ NetworkAddressFamily family; |+ /* Own members: */ | int64_t connection_id; as well as additional upcast functions like qapi_SpiceChannel_base(). Meanwhile, changes to qapi-visit.c look like: | static void visit_type_SpiceChannel_fields(Visitor *v, SpiceChannel **obj, Error **errp) | { | Error *err = NULL; | |- visit_type_implicit_SpiceBasicInfo(v, &(*obj)->base, &err); |+ visit_type_SpiceBasicInfo_fields(v, (SpiceBasicInfo **)obj, &err); | if (err) { (the cast is necessary, since our upcast wrappers only deal with a single pointer, not pointer-to-pointer); plus the wholesale elimination of some now-unused visit_type_implicit_FOO() functions. Without boxing, the corner case of one empty struct having another empty struct as its base type now requires inserting a dummy member (previously, the 'Base *base' member sufficed). And now that we no longer consume a 'base' member in the generated C struct, we can delete the former negative struct-base-clash-base test. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1445898903-12082-11-git-send-email-eblake@redhat.com> [Commit message tweaked slightly] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-11-02vnc: Hoist allocation of VncBasicInfo to callersEric Blake
A future qapi patch will rework generated structs with a base class to be unboxed. In preparation for that, change the code that allocates then populates an info struct to instead merely populate the fields of an info field passed in as a parameter (renaming vnc_basic_info_get* to vnc_init_basic_info*). Add rudimentary Error handling at the lowest levels for cases where the old code returned NULL; but rather than plumb Error all the way through the stack, the callers drop the error and return NULL as before. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1445898903-12082-7-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-10-20util: pull Buffer code out of VNC moduleDaniel P. Berrange
The Buffer code in the VNC server is useful for the IO channel code, so pull it out into a shared module, QIOBuffer. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2015-10-20ui: convert VNC startup code to use SocketAddressDaniel P. Berrange
The VNC code is currently using QemuOpts to configure the sockets connections / listeners it needs. Convert it to use SocketAddress to bring it in line with modern QAPI based code elsewhere in QEMU. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2015-10-19Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* KVM page size fix for PPC * Support for Linux 4.4's new Hyper-V features * Eliminate g_slice from areas I maintain * checkpatch fix * Peter's cpu_reload_memory_map() cleanups * More changes to MAINTAINERS * Require Python 2.6 * chardev creation fixes * PCI requester id for ARM KVM * cleanups and doc fixes * Allow customization of the Hyper-V vendor id # gpg: Signature made Mon 19 Oct 2015 09:13:10 BST using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" * remotes/bonzini/tags/for-upstream: (49 commits) kvm: Allow the Hyper-V vendor ID to be specified kvm: Move x86-specific functions into target-i386/kvm.c kvm: Pass PCI device pointer to MSI routing functions hw/pci: Introduce pci_requester_id() kvm: Make KVM_CAP_SIGNAL_MSI globally available doc/rcu: fix g_free_rcu() usage example qemu-char: cleanup after completed conversion to cd->create qemu-char: convert ringbuf backend to data-driven creation qemu-char: convert vc backend to data-driven creation qemu-char: convert spice backend to data-driven creation qemu-char: convert console backend to data-driven creation qemu-char: convert stdio backend to data-driven creation qemu-char: convert testdev backend to data-driven creation qemu-char: convert braille backend to data-driven creation qemu-char: convert msmouse backend to data-driven creation qemu-char: convert mux backend to data-driven creation qemu-char: convert null backend to data-driven creation qemu-char: convert pty backend to data-driven creation qemu-char: convert UDP backend to data-driven creation qemu-char: convert socket backend to data-driven creation ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-19qemu-char: convert vc backend to data-driven creationPaolo Bonzini
Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-16ui/cocoa.m: blinky mouse cursor fixJohn Arbuckle
The mouse cursor can become blinky when being moved a lot. This patch fixes that problem by issuing the redraw sooner. Signed-off-by: John Arbuckle <programmingkidx@gmail.com> Message-id: AAA87DD7-EC20-4F4B-B71E-C38461D9FCBA@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-16ui/cocoa.m: addRemovableDevicesMenuItems() warning fixJohn Arbuckle
Eliminate this warning associated with the addRemovableDevicesMenuItems() function: ui/cocoa.m:1344:13: warning: function declaration isn't a prototype [-Wstrict-prototypes] static void addRemovableDevicesMenuItems() ^ ui/cocoa.m: In function 'addRemovableDevicesMenuItems': ui/cocoa.m:1344:13: warning: old-style function definition [-Wold-style-definition] Signed-off-by: John Arbuckle <programmingkidx@gmail.com> Message-id: 7B365FC2-072B-4E8D-A1D9-922C2D691A83@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-14qemu-char: add create to register_char_driverPaolo Bonzini
Having creation as a member of the CharDriver struct removes the need to export functions for qemu-char.c's usage. After the conversion, chardev backends implemented outside qemu-char.c will not need a stub creation function anymore. Ultimately all drivers will be converted. For now, support the case where cd->create == NULL. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-13ui/cocoa.m: eliminate normalWindow warningJohn Arbuckle
Eliminate this warning associated with the setting of the normalWindow's title: ui/cocoa.m: In function '-[QemuCocoaAppController init]': ui/cocoa.m:888:9: warning: format not a string literal and no format arguments [-Wformat-security] [normalWindow setTitle:[NSString stringWithFormat:@"QEMU"]]; Signed-off-by: John Arbuckle <programmingkidx@gmail.com> Message-id: 57057D6E-C108-4AE1-8370-E7E6855B2F2C@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-08gtk/opengl: add opengl context and scanout support (GtkGLArea)Gerd Hoffmann
This allows virtio-gpu to render in 3d mode. Uses native opengl support which is present in gtk versions 3.16 and newer. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-10-08gtk/opengl: add opengl context and scanout support (egl)Gerd Hoffmann
This allows virtio-gpu to render in 3d mode. Uses egl, for gtk versions 3.14 and older. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2015-10-08opengl: add egl-context.[ch] helpersGerd Hoffmann
Add helper functions to manage opengl contexts using egl. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2015-10-08ui/console: add opengl context and scanout support interfaces.Gerd Hoffmann
Add callbacks for opengl context management and scanout texture configuration to DisplayChangeListenerOps. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2015-10-08sdl2: stop flickeringGerd Hoffmann
Optimizing updates by copying the dirty rectangle only do not work because of double-buffering. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-10-08shaders: initialize vertexes onceGerd Hoffmann
Create a buffer for the vertex data and place vertexes there at initialization time. Then just use the buffer for each texture blit. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-09-25ui/cocoa.m: remove open dialog codeJohn Arbuckle
Removes the open dialog code that runs when no arguments are supplied with QEMU. Not everyone needs a hard drive or cdrom to boot their target. A user might only need to use their target's bios to do work. With that said, this patch removes the unneeded open dialog code. Signed-off-by: John Arbuckle <programmingkidx@gmail.com> Message-id: 33856864-321C-4367-9170-FB0BF81E789B@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-25ui/cocoa.m: prevent stuck key situationJohn Arbuckle
When the user puts QEMU in the background while holding down a key, QEMU will not receive the keyup event when the user lets go of the key. When the user goes back to QEMU, QEMU will think the key is still down causing stuck key symptoms. This patch fixes this problem by releasing all down keys when QEMU goes into the background. Signed-off-by: John Arbuckle <programmingkidx@gmail.com> Message-id: 7A3FA6EE-84C8-4422-A786-C899B7229D32@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-25ui/cocoa.m: verify with user before quitting QEMUJohn Arbuckle
This patch prevents the user from accidentally quitting QEMU by pushing Command-Q or by pushing the close button on the main window. When the user does one of these two things, a dialog box appears verifying with the user if he or she wants to quit QEMU. Signed-off-by: John Arbuckle <programmingkidx@gmail.com> Message-id: 29169A74-0347-47F5-934F-A5AD24C225CA@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-24gtk: avoid redefining _WIN32_WINNT macroDaniel P. Berrange
When building for Mingw64 target on Fedora 22 a warning is issued about _WIN32_WINNT being redefined. In file included from ui/gtk.c:40:0: include/ui/gtk.h:5:0: warning: "_WIN32_WINNT" redefined # define _WIN32_WINNT 0x0601 /* needed to get definition of MAPVK_VK_TO_VSC */ ^ In file included from /usr/i686-w64-mingw32/sys-root/mingw/include/crtdefs.h:10:0, from /usr/i686-w64-mingw32/sys-root/mingw/include/stdio.h:9, from /home/berrange/src/virt/qemu/include/qemu/fprintf-fn.h:12, from /home/berrange/src/virt/qemu/include/qemu-common.h:18, from ui/gtk.c:37: /usr/i686-w64-mingw32/sys-root/mingw/include/_mingw.h:225:0: note: this is the location of the previous definition #define _WIN32_WINNT 0x502 ^ Rather than try to get MAPVK_VK_TO_VSC defined indirectly by defining _WIN32_WINNT, instead just define it explicitly if missing. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Stefan Weil <sw@weilnetz.de> Acked-by: Paolo Bonzini <pbonzini@redhat.com>
2015-09-21spice: surface switch fast path requires same format too.Gerd Hoffmann
Commit "555e72f spice: rework mirror allocation, add no-resize fast path" adds a fast path for surface switches which does't go through the full primary surface destroy and re-recreation in case the new surface is identical to the old one (page-flip). It checks the size only though, but the format must be identical too. This patch adds the format check. Commit "0002a51 ui/spice: Support shared surface for most pixman formats" increases the chance to actually trigger this. https://bugzilla.redhat.com/show_bug.cgi?id=1247479 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-09-18cocoa: Suppress Cocoa window with -displayRainer Müller
Do not open a Cocoa window when another display is selected that will be initialized later. The Cocoa display cannot be selected with -display, so there is no need to check its argument. Signed-off-by: Rainer Müller <raimue@codingfarm.de> Reviewed-by: Andreas Färber <andreas.faerber@web.de> Message-id: 1441807710-25431-1-git-send-email-raimue@codingfarm.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-15Merge remote-tracking branch ↵Peter Maydell
'remotes/berrange/tags/vnc-crypto-v9-for-upstream' into staging Merge vnc-crypto-v9 # gpg: Signature made Tue 15 Sep 2015 15:32:38 BST using RSA key ID 15104FDF # gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" # gpg: aka "Daniel P. Berrange <berrange@redhat.com>" * remotes/berrange/tags/vnc-crypto-v9-for-upstream: ui: convert VNC server to use QCryptoTLSSession ui: fix return type for VNC I/O functions to be ssize_t crypto: introduce new module for handling TLS sessions crypto: add sanity checking of TLS x509 credentials crypto: introduce new module for TLS x509 credentials crypto: introduce new module for TLS anonymous credentials crypto: introduce new base module for TLS credentials qom: allow QOM to be linked into tools binaries crypto: move crypto objects out of libqemuutil.la tests: remove repetition in unit test object deps qapi: allow override of default enum prefix naming Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-09-15ui: convert VNC server to use QCryptoTLSSessionDaniel P. Berrange
Switch VNC server over to using the QCryptoTLSSession object for the TLS session. This removes the direct use of gnutls from the VNC server code. It also removes most knowledge about TLS certificate handling from the VNC server code. This has the nice effect that all the CONFIG_VNC_TLS conditionals go away and the user gets an actual error message when requesting TLS instead of it being silently ignored. With this change, the existing configuration options for enabling TLS with -vnc are deprecated. Old syntax for anon-DH credentials: -vnc hostname:0,tls New syntax: -object tls-creds-anon,id=tls0,endpoint=server \ -vnc hostname:0,tls-creds=tls0 Old syntax for x509 credentials, no client certs: -vnc hostname:0,tls,x509=/path/to/certs New syntax: -object tls-creds-x509,id=tls0,dir=/path/to/certs,endpoint=server,verify-peer=no \ -vnc hostname:0,tls-creds=tls0 Old syntax for x509 credentials, requiring client certs: -vnc hostname:0,tls,x509verify=/path/to/certs New syntax: -object tls-creds-x509,id=tls0,dir=/path/to/certs,endpoint=server,verify-peer=yes \ -vnc hostname:0,tls-creds=tls0 This aligns VNC with the way TLS credentials are to be configured in the future for chardev, nbd and migration backends. It also has the benefit that the same TLS credentials can be shared across multiple VNC server instances, if desired. If someone uses the deprecated syntax, it will internally result in the creation of a 'tls-creds' object with an ID based on the VNC server ID. This allows backwards compat with the CLI syntax, while still deleting all the original TLS code from the VNC server. Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2015-09-15ui: fix return type for VNC I/O functions to be ssize_tDaniel P. Berrange
Various VNC server I/O functions return 'long' and then also pass this to a method accepting 'int'. All these should be ssize_t to match the signature of read/write APIs and thus avoid potential for integer truncation / wraparound. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2015-09-15gtk: use setlocale() for LC_MESSAGES onlyAlberto Garcia
The QEMU code is not internationalized and assumes that it runs under the C locale, but if we use the GTK+ UI we'll end up importing the locale settings from the environment. This can break things, such as the JSON generator and iotest 120 in locales that use a decimal comma. We do however have translations for a few simple strings for the GTK+ menu items, so in order to run QEMU using the C locale, and yet have a translated UI let's use setlocale() for LC_MESSAGES only. Cc: qemu-stable@nongnu.org Signed-off-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-09-15gtk: don't grab input when entering fullscreen.Gerd Hoffmann
Kick off all grabbing logic from fullscreen mode. In the current state it seems to create more problems than it solves. Try running qemu/gtk fullscreen on one head of a multihead host for example ... There probably was a reason the grab-on-fullscreen logic was added in the first place. So please test and report any issues so we can try to find a sane way to handle it. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2015-09-15gtk: set free_scale when setting zoom_fitGerd Hoffmann
free_scale field tracks zoom-fit menu toggle state, so we should keep them in sync ... Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2015-09-15gtk: trace input grab reasonGerd Hoffmann
Add a reason to grab calls and trace points, so it is easier to debug grab related ui issues. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2015-09-15gtk: move gd_update_caption calls to gd_{grab,ungrab}_{pointer,keyboard}Gerd Hoffmann
Then we don't have to pair the grab/ungrab calls with update_caption calls any more because things happen automatically ;) Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2015-09-15gtk: check for existing grabs in gd_grab_{pointer,keyboard}Gerd Hoffmann
If a grab is already active for our window, do nothing. If a grab is already active for another window, release it. Cleanup some checks and ungrab calls in the code which are not needed any more. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2015-09-11maint: avoid useless "if (foo) free(foo)" patternDaniel P. Berrange
The free() and g_free() functions both happily accept NULL on any platform QEMU builds on. As such putting a conditional 'if (foo)' check before calls to 'free(foo)' merely serves to bloat the lines of code. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-08-26vnc: fix memory corruption (CVE-2015-5225)Gerd Hoffmann
The _cmp_bytes variable added by commit "bea60dd ui/vnc: fix potential memory corruption issues" can become negative. Result is (possibly exploitable) memory corruption. Reason for that is it uses the stride instead of bytes per scanline to apply limits. For the server surface is is actually fine. vnc creates that itself, there is never any padding and thus scanline length always equals stride. For the guest surface scanline length and stride are typically identical too, but it doesn't has to be that way. So add and use a new variable (guest_ll) for the guest scanline length. Also rename min_stride to line_bytes to make more clear what it actually is. Finally sprinkle in an assert() to make sure we never use a negative _cmp_bytes again. Reported-by: 范祚至(库特) <zuozhi.fzz@alibaba-inc.com> Reviewed-by: P J P <ppandit@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-07-24vnc: fix memory leakGonglei
If vnc's password is configured, it will leak memory which cipher variable pointed on every vnc connection. Cc: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Message-Id: <1437556133-11268-1-git-send-email-arei.gonglei@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-07-14vnc: fix vnc client authenticationWolfgang Bumiller
Commit 800567a61 updated the code to the generic crypto API and mixed up encrypt and decrypt functions in procotol_client_auth_vnc. (Used to be: deskey(key, EN0) which encrypts, and was changed to qcrypto_cipher_decrypt in 800567a61.) Changed it to qcrypto_cipher_encrypt now. Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-07-08ui: convert VNC to use generic cipher APIDaniel P. Berrange
Switch the VNC server over to use the generic cipher API, this allows it to use the pluggable DES implementations, instead of being hardcoded to use QEMU's built-in impl. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1435770638-25715-11-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-07-08ui: convert VNC websockets to use crypto APIsDaniel P. Berrange
Remove the direct use of gnutls for hash processing in the websockets code, in favour of using the crypto APIs. This allows the websockets code to be built unconditionally removing countless conditional checks from the VNC code. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1435770638-25715-9-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-07-07crypto: move built-in D3DES implementation into crypto/Daniel P. Berrange
To prepare for a generic internal cipher API, move the built-in D3DES implementation into the crypto/ directory. This is not in fact a normal D3DES implementation, it is D3DES with double & triple length modes removed, and the key bytes in reversed bit order. IOW it is crippled specifically for the "benefit" of RFB, so call the new files desrfb.c instead of d3des.c to make it clear that it isn't a generally useful impl. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1435770638-25715-4-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-06-22Include monitor/monitor.h exactly where neededMarkus Armbruster
In particular, don't include it into headers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
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