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2015-11-03Fix const compiler warningsJavier Pello
When invoking Data, Data16 and Data32 from XChangeDeviceProperty, we must cast the data pointer to the right type, but we do not need to cast constness away. This change allows to enable -Wcast-qual on the build and have it complete without warnings. Signed-off-by: Javier Pello <javier.pello@urjc.es> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2015-10-19Don't use raw serial numbers in XIEventsPeter Hutterer
cookie->serial is an Xlib contoction, provided by _XSetLastRequestRead(). This serial may be different to the raw serial number from the wire protocol. This causes issues when the raw serial is used to e.g. compare the event to other non-XI events. Use the cookie's serial number instead. https://bugzilla.gnome.org/show_bug.cgi?id=756649 See also https://bugs.freedesktop.org/show_bug.cgi?id=64687 Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2015-02-24Fix version check in _XIAllowEventsCosimo Cecchi
Commit 5810d0797160a97012664ffe719a59e1b288a525 changed _XIAllowEvents() to use _XiCheckVersion() instead of _XiCheckExtInit() to avoid a double display unlock, but it failed to correctly check for the version, since we should set have_XI22 to True for every version greater or equal to 2.2. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-11-04XIGrabDevice: Unlock display in error path.Michal Srb
Signed-off-by: Michal Srb <msrb@suse.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-11-03Refactor XGetExtensionVersion.Michal Srb
_XiGetExtensionVersion was called from XGetExtensionVersion and from _XiCheckExtInit. When called from _XiCheckExtInit, nothing accounted for the fact that it can return ((XExtensionVersion *) NoSuchExtension) in case of error. Also it recursively calls _XiCheckExtInit potentionally causing multiple unlocks if _XiCheckExtInit fails. -> Remove it and call directly _XiGetExtensionVersionRequest and only call _XiCheckExtInit only from XGetExtensionVersion. Signed-off-by: Michal Srb <msrb@suse.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-11-03Fix logic in _XIAllowEvents and prevent double unlock.Michal Srb
Replacing the second _XiCheckExtInit with _XiCheckVersion prevents possible double unlock as _XiCheckExtInit actually unlocks the display when it returns -1. Signed-off-by: Michal Srb <msrb@suse.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-11-03XIGetClientPointer: Return False on error.Michal Srb
Not NoSuchExtension which is 1 = True! Signed-off-by: Michal Srb <msrb@suse.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-11-03Do not return NoSuchExtension casted to pointer as an error.Michal Srb
Several functions were returning NoSuchExtension casted to a pointer in case of an error. Often in parallel with returning NULL in case of another error. It is undocumented and certainly wrong. Signed-off-by: Michal Srb <msrb@suse.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-11-03XIChangeHierarchy: Add missing unlock.Michal Srb
When num_changes <= 0 or Xmalloc fails, the display has to be unlocked. Signed-off-by: Michal Srb <msrb@suse.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-11-03Fix double unlock when _XiCheckExtInit return -1.Michal Srb
_XiCheckExtInit unlocks the display if it fails and returns -1. Most callers account for it properly, but few didn't. Signed-off-by: Michal Srb <msrb@suse.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-10-28Advance the request buffer by the right amount in XIChangeHierarchyJulien Cristau
c->length is in 4-byte units, dptr is a char *, so we need to advance dptr by 4 * length to get the position of the next HierarchyChangeInfo. Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Julien Cristau <jcristau@debian.org>
2014-07-14Fix locking bugs with XIAllowTouchEvents() and XIUngrabTouchBegin()Owen W. Taylor
Fix two places where the display was double locked when an API function chained to an implementation that also locks the display. Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-07-10XIPassiveGrab: Fix completely broken locking in XIGrabTouchBeginJasper St. Pierre
_XIPassiveGrabDevice calls LockDisplay as the first thing it does. That means that it expects the display to be unlocked. XIGrabTouchBegin locks the display to check for the XI extension, and then never unlocks it. Effectively, this meant that anybody that called XIGrabTouchBegin after XInitThreads just got a deadlock. Cool. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2014-07-10XIPassiveGrab: Fix display locking inside _XIPassiveGrabDevice for error pathsJasper St. Pierre
The code here before would just leave the display locked on error, which is all sorts of broken. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-11-25Remove fallback for _XEatDataWords, require libX11 1.6 for itMichael Joost
_XEatDataWords was orignally introduced with the May 2013 security patches, and in order to ease the process of delivering those, fallback versions of _XEatDataWords were included in the X extension library patches so they could be applied to older versions that didn't have libX11 1.6 yet. Now that we're past that hurdle, we can drop the fallbacks and just require libX11 1.6 for building new versions of the extension libraries. Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-06-28Remove check that can never be true.Thomas Klausner
clang warns: warning: comparison of constant 268435455 with expression of type 'CARD16' (aka 'unsigned short') is always false Signed-off-by: Thomas Klausner <wiz@NetBSD.org> Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-06-27Include limits.h to prevent build error: missing INT_MAXPeter Hutterer
Introduced in 4c8e9bcab459ea5f870d3e56eff15f931807f9b7. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-06-27If the XGetDeviceDontPropagateList reply has an invalid length, return 0Peter Hutterer
If we skip over the reply data, return 0 as number of event classes. Follow-up to 6dd6dc51a2935c72774be81e5cc2ba2c30e9feff. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-06-27Change size += to size = in XGetDeviceControlPeter Hutterer
size += blah is technically correct but it implies that we're looping or otherwise incrementing the size. Which we don't, it's only ever set once. Change this to avoid reviewer confusion. Reported-by: Dave "color-me-confused" Airlie <airlied@redhat.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-06-27Fix potential corruption in mask_len handlingPeter Hutterer
First: check for allocation failure on the mask. XI2 requires that the mask is zeroed, so we can't just Data() the mask provided by the client (it will pad) - we need a tmp buffer. Make sure that doesn't fail. Second: req->mask_len is a uint16_t, so check against malicious mask_lens that would cause us to corrupt memory on copy, as the code always allocates req->mask_len * 4, but copies mask->mask_len bytes. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-24Don't overwrite the cookies serial numberPeter Hutterer
serial != sequenceNumber, see _XSetLastRequestRead() cookie->serial is already set at this point, setting it again directly from the sequenceNumber of the event causes a bunch of weird issues such as scrollbars and text drag-n-drop breaking. https://bugzilla.redhat.com/show_bug.cgi?id=965347 Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23sign extension issue in XListInputDevices() [CVE-2013-1995]Alan Coopersmith
nptr is (signed) char, which can be negative, and will sign extend when added to the int size, which means size can be subtracted from, leading to allocating too small a buffer to hold the data being copied from the X server's reply. v2: check that string size fits inside the data read from the server, so that we don't read out of bounds either Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23Avoid integer overflow in XListInputDevices() [CVE-2013-1984 8/8]Alan Coopersmith
If the length of the reply as reported by the Xserver is too long, it could overflow the calculation for the size of the buffer to copy the reply into, causing memory corruption. Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23Avoid integer overflow in XGetDeviceProperties() [CVE-2013-1984 7/8]Alan Coopersmith
If the number of items as reported by the Xserver is too large, it could overflow the calculation for the size of the buffer to copy the reply into, causing memory corruption. Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23integer overflow in XIGetSelectedEvents() [CVE-2013-1984 6/8]Alan Coopersmith
If the number of events or masks reported by the server is large enough that it overflows when multiplied by the size of the appropriate struct, or the sizes overflow as they are totaled up, then memory corruption can occur when more bytes are copied from the X server reply than the size of the buffer we allocated to hold them. v2: check that reply size fits inside the data read from the server, so that we don't read out of bounds either Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23integer overflow in XIGetProperty() [CVE-2013-1984 5/8]Alan Coopersmith
If the number of items reported by the server is large enough that it overflows when multiplied by the size of the appropriate item type, then memory corruption can occur when more bytes are copied from the X server reply than the size of the buffer we allocated to hold them. Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23integer overflow in XGetDeviceMotionEvents() [CVE-2013-1984 4/8]Alan Coopersmith
If the number of events or axes reported by the server is large enough that it overflows when multiplied by the size of the appropriate struct, then memory corruption can occur when more bytes are copied from the X server reply than the size of the buffer we allocated to hold them. Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23integer overflow in XGetDeviceDontPropagateList() [CVE-2013-1984 3/8]Alan Coopersmith
If the number of event classes reported by the server is large enough that it overflows when multiplied by the size of the appropriate struct, then memory corruption can occur when more bytes are copied from the X server reply than the size of the buffer we allocated to hold them. V2: EatData if count is 0 but length is > 0 to avoid XIOErrors Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23integer overflow in XGetFeedbackControl() [CVE-2013-1984 2/8]Alan Coopersmith
If the number of feedbacks reported by the server is large enough that it overflows when multiplied by the size of the appropriate struct, or if the total size of all the feedback structures overflows when added together, then memory corruption can occur when more bytes are copied from the X server reply than the size of the buffer we allocated to hold them. v2: check that reply size fits inside the data read from the server, so we don't read out of bounds either Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23integer overflow in XGetDeviceControl() [CVE-2013-1984 1/8]Alan Coopersmith
If the number of valuators reported by the server is large enough that it overflows when multiplied by the size of the appropriate struct, then memory corruption can occur when more bytes are copied from the X server reply than the size of the buffer we allocated to hold them. v2: check that reply size fits inside the data read from the server, so we don't read out of bounds either Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23unvalidated lengths in XQueryDeviceState() [CVE-2013-1998 3/3]Alan Coopersmith
If the lengths given for each class state in the reply add up to more than the rep.length, we could read past the end of the buffer allocated to hold the data read from the server. Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23memory corruption in _XIPassiveGrabDevice() [CVE-2013-1998 2/3]Alan Coopersmith
If the server returned more modifiers than the caller asked for, we'd just keep copying past the end of the array provided by the caller, writing over who-knows-what happened to be there. Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23Stack buffer overflow in XGetDeviceButtonMapping() [CVE-2013-1998 1/3]Alan Coopersmith
We copy the entire reply sent by the server into the fixed size mapping[] array on the stack, even if the server says it's a larger size than the mapping array can hold. HULK SMASH STACK! Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-23Use _XEatDataWords to avoid overflow of rep.length bit shiftingAlan Coopersmith
rep.length is a CARD32, so rep.length << 2 could overflow in 32-bit builds Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-05-20Copy the sequence number into the target event too (#64687)Peter Hutterer
X.Org Bug 64687 <http://bugs.freedesktop.org/show_bug.cgi?id=64687> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jasper St. Pierre <jstpierre@mecheye.net>
2013-04-30Expand comment on the memory vs. reply ordering in XIGetSelectedEvents()Alan Coopersmith
Unpacking from the wire involves un-interleaving the structs & masks, which wasn't obvious to me the first time I read it, so make notes before I forget again. Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2013-04-05Require XFixes for PointerBarrier, remove duplicate typedefPeter Hutterer
The PointerBarrier typedef is duplicate if a client includes both Xfixes.h and XInput2.h. gcc 4.6 won't complain about that, but earlier versions do: http://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=ce3765bf44e49ef0568a1ad4a0b7f807591d6412 gcc 4.6 with -pedantic-errors shows: /opt/xorg/include/X11/extensions/XInput2.h:172:13: error: redefinition of typedef ‘PointerBarrier’ [-pedantic] In file included from test.c:1:0: /opt/xorg/include/X11/extensions/Xfixes.h:255:13: note: previous declaration of ‘PointerBarrier’ was here Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Julien Cristau <jcristau@debian.org>
2013-01-15Add missing XI_RawTouch* in XInputCopyCookieBenjamin Tissoires
Looks like XI_RawTouch* events are missing in the big switch in this function. When running XIT tests for multitouch devices, several following errors appears: XInputCopyCookie: Failed to copy evtype 22 XInputCopyCookie: Failed to copy evtype 23 XInputCopyCookie: Failed to copy evtype 24 Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2012-12-09Add support for pointer barrier eventsJasper St. Pierre
Signed-off-by: Jasper St. Pierre <jstpierre@mecheye.net> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2012-12-10Fix const compiler warningsPeter Hutterer
XExtInt.c:80:38: warning: initialization discards 'const' qualifier from pointer target type [enabled by default] XExtInt.c:150:5: warning: initialization discards 'const' qualifier from pointer target type [enabled by default] XExtInt.c:151:5: warning: initialization discards 'const' qualifier from pointer target type [enabled by default] XExtInt.c:152:5: warning: initialization discards 'const' qualifier from pointer target type [enabled by default] XExtInt.c:153:5: warning: initialization discards 'const' qualifier from pointer target type [enabled by default] XExtInt.c:154:5: warning: initialization discards 'const' qualifier from pointer target type [enabled by default] Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
2012-12-10Fix compiler warningsPeter Hutterer
XIQueryVersion.c: In function '_xiQueryVersion': XIQueryVersion.c:63:26: warning: declaration of 'info' shadows a parameter [-Wshadow] XIQueryVersion.c:53:73: warning: shadowed declaration is here [-Wshadow] XExtInt.c: In function 'XInputWireToEvent': XExtInt.c:823:25: warning: declaration of 'i' shadows a previous local [-Wshadow] XExtInt.c:502:18: warning: shadowed declaration is here [-Wshadow] XExtInt.c:850:25: warning: declaration of 'i' shadows a previous local [-Wshadow] XExtInt.c:502:18: warning: shadowed declaration is here [-Wshadow] In file included from XExtInt.c:64:0: ../include/X11/extensions/XInput.h:166:17: note: previous declaration of '_xidevicebusy' was here XExtInt.c:101:12: warning: redundant redeclaration of '_XiGetDevicePresenceNotifyEvent' [-Wredundant-decls] XExtInt.c:76:13: warning: redundant redeclaration of '_xibaddevice' [-Wredundant-decls] In file included from XExtInt.c:64:0: ../include/X11/extensions/XInput.h:162:17: note: previous declaration of '_xibaddevice' was here XExtInt.c:81:13: warning: redundant redeclaration of '_xibadclass' [-Wredundant-decls] In file included from XExtInt.c:64:0: ../include/X11/extensions/XInput.h:163:17: note: previous declaration of '_xibadclass' was here XExtInt.c:86:13: warning: redundant redeclaration of '_xibadevent' [-Wredundant-decls] In file included from XExtInt.c:64:0: ../include/X11/extensions/XInput.h:164:17: note: previous declaration of '_xibadevent' was here XExtInt.c:91:13: warning: redundant redeclaration of '_xibadmode' [-Wredundant-decls] In file included from XExtInt.c:64:0: ../include/X11/extensions/XInput.h:165:17: note: previous declaration of '_xibadmode' was here XExtInt.c:96:13: warning: redundant redeclaration of '_xidevicebusy' [-Wredundant-decls] In file included from XExtInt.c:64:0: ../include/X11/extensions/XInput.h:166:17: note: previous declaration of '_xidevicebusy' was here XListDev.c: In function 'ParseClassInfo': XListDev.c:116:33: warning: declaration of 'k' shadows a previous local [-Wshadow] XListDev.c:109:12: warning: shadowed declaration is here [-Wshadow] XGetFCtl.c: In function 'XGetFeedbackControl': XGetFCtl.c:184:26: warning: declaration of 'i' shadows a previous local [-Wshadow] XGetFCtl.c:72:17: warning: shadowed declaration is here [-Wshadow] Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
2012-04-23Destroy extension record after last display is removedChase Douglas
The extension record is currently leaked and never freed. Signed-off-by: Chase Douglas <chase.douglas@canonical.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2012-03-26Set the RawEvent sourceid (#34240)Peter Hutterer
XI 2.2 and later include the sourceid in raw events. X.Org Bug 34240 <http://bugs.freedesktop.org/show_bug.cgi?id=34240> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
2012-03-26Move version comparison into a helper function.Peter Hutterer
No functional changes, this simply introduces a version helper function that returns -1, 0 or 1 depending on the version comparison result. To be used internally only. Needed for fix to #34240 Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
2012-03-15Fix wrong button label and mask copy on OS XPeter Hutterer
Regression introduced in c1a5a70b51f12dedf354102217c7cd4247ed3a4b. If double-padding is applied, the length of the mask on the wire may be smaller than libXi's mask_len. When copying, only the wire length must be copied, with the remainder set to 0. When advancing to the button labels, the wire length matters, not libXi's internal length. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com> Tested-by: Jeremy Huddleston <jeremyhu@apple.com>
2012-03-08Fix XIScrollClass increment value on 32-bit machinesChase Douglas
This fixes scroll class increment values on 32-bit machines. Performing 1UL << 32 shifts the bit off the end of a 32-bit unsigned long value. By expanding to 1ULL, we have the full 64-bits of an unsigned long long including on 32-bit machines. Before this change, xinput list --long would output scroll increment values of -nan. Signed-off-by: Chase Douglas <chase.douglas@canonical.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2012-02-23Fix bus error on MIPS N32 for bug #38331.Michał Masłowski
XIValuatorClassInfo and XIScrollClassInfo might have an address of 4 bytes modulo 8, while they contain doubles which need 8 byte alignment. This is fixed by adding extra padding after each structure or array in sizeDeviceClassType and adding helper functions to determine sizes and padding only in one place. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=38331 Signed-off-by: Michał Masłowski <mtjm@mtjm.eu> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2012-02-09Handle new XIAllowEvent request sizePeter Hutterer
inputproto 2.1.99.6 restored the previous request for ABI compatibility reasons, and it introduced a new XI 2.2 specific define. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Keith Packard <keithp@keithp.com>
2012-01-18Force class alignment to a multiple of sizeof(XID).Peter Hutterer
Calculate length field to a multiples of sizeof(XID). XIDs are typedefs to ulong and thus may be 8 bytes on some platforms. This can trigger a SIGBUS if a class ends up not being 8-aligned (e.g. after XAxisInfo). Reported-by: Nicolai Stange <nicolai.stange@zmaw.de> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Matthieu Herrb <matthieu.herrb@laas.fr>
2011-12-21Implement support for XI 2.2Peter Hutterer
Adds support for the new TouchClass for multitouch-capable servers/devices. New events: XITouchOwnershipEvent New event types handled: XITouchBegin, XITouchUpdate, XITouchEnd XIRawTouchBegin, XIRawTouchUpdate, XIRawTouchEnd New functions: XIGrabTouchBegin ... passive grabs on touches XIUngrabTouchBegin XIAllowTouchEvents ... Allow/reject touch event sequences New XIQueryDevice classes: XITouchClassInfo Requires libX11 1.5 for GetReqSized Co-authored by: Chase Douglas <chase.douglas@canonical.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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