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2011-09-21Use internal temp variable for swap macrosMatt Turner1-56/+42
Also, fix whitespace, mainly around swaps(&rep.sequenceNumber) Reviewed-by: Peter Harris <pharris@opentext.com> Signed-off-by: Matt Turner <mattst88@gmail.com>
2011-05-02Only free pContext once when AddResource fails in ProcRecordCreateContextAlan Coopersmith1-1/+1
Since RecordDeleteContext frees its argument, don't fall through to free it again. Error: Double free (CWE 415) Double free of pointer 'malloc(1072)' defined by malloc at line 1964 of record/record.c in function 'ProcRecordCreateContext'. Previously freed at line 1960 with RecordDeleteContext. 'malloc(1072)' was allocated at line 1926 with malloc. [ This bug was found by the Parfait 0.3.7 bug checking tool. For more information see http://labs.oracle.com/projects/parfait/ ] Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
2011-03-09Merge remote branch 'whot/for-keith'Keith Packard1-1/+0
2011-03-09record: warning fixAdam Jackson1-1/+0
record.c:810:9: warning: unused variable 'count' Scope-shadowed by a later variable of the same name, safe to just delete. Signed-off-by: Adam Jackson <ajax@redhat.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2011-03-03Merge remote branch 'whot/for-keith'Keith Packard1-3/+6
2011-02-24record: avoid crash when calling RecordFlushReplyBuffer recursivelyErkki Seppälä1-1/+5
RecordFlushReplyBuffer can call itself recursively through WriteClient->CallCallbacks->_CallCallbacks->RecordFlushAllContexts when the recording client's buffer cannot be completely emptied in one WriteClient. When a such a recursion occurs, it will not be broken out of which results in segmentation fault when the stack is exhausted. This patch adds a counter (a flag, really) that guards against this situation, to break out of the recursion. One alternative to this change would be to change _CallCallbacks to check the corresponding counter before the callback loop, but that might affect existing behavior, which may be relied upon. Reviewed-by: Rami Ylimäki <rami.ylimaki@vincit.fi> Signed-off-by: Erkki Seppälä <erkki.seppala@vincit.fi> Signed-off-by: Keith Packard <keithp@keithp.com>
2011-02-17Input: Allow EventToCore to return multiple eventsDaniel Stone1-3/+6
Some event types (notably Expose and GraphicsExpose) require multiple events, a la XI 1.x. Bring the EventToCore API in line with EventToXI's and allow it to generate multiple events. Signed-off-by: Daniel Stone <daniel@fooishbar.org> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2010-06-22record: Prevent a crash on recording client disconnect.Rami Ylimäki1-5/+17
Execute the following steps to reproduce the issue. 1. Run at least two recording clients simultaneously. $ cnee --record --request-range 1-127 & $ cnee --record --request-range 1-127 & 2. Kill the recording clients. $ killall cnee 3. Give X server something to do so that the clients are closed. $ xinput list $ xinput list As a result RecordUninstallHooks accesses NullClient, because RecordAClientStateChange doesn't clean the recording clients up properly. Fix RecordUninstallHooks to fail locally on an assertion instead of much later in privates code, if NullClient is still accessed because of some other bug. Fix RecordAClientStateChange to iterate through all contexts so that modifications of the iterated array during iteration don't cause contexts to be skipped. Signed-off-by: Rami Ylimäki <ext-rami.ylimaki@nokia.com> Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Keith Packard <keithp@keithp.com>
2010-06-18record: Register client private to prevent crash.Rami Ylimäki1-0/+3
Running the following command causes an assertion to fail: cnee --record --request-range 1-127 3 in dixGetPrivateAddr at ../../include/privates.h:122 4 in dixGetPrivate at ../../include/privates.h:137 5 in dixLookupPrivate at ../../include/privates.h:167 6 in RecordInstallHooks at ../../record/record.c:911 7 in ProcRecordEnableContext at ../../record/record.c:2377 8 in ProcRecordDispatch at ../../record/record.c:2571 9 in Dispatch at ../../dix/dispatch.c:432 10 in main at ../../dix/main.c:289 Signed-off-by: Rami Ylimäki <ext-rami.ylimaki@nokia.com> Reviewed-by: Oliver McFadden <oliver.mcfadden@nokia.com> Reviewed-by: Tiago Vignatti <tiago.vignatti@nokia.com> Signed-off-by: Keith Packard <keithp@keithp.com>
2010-06-11record: move free() to after last use of pContextMatt Turner1-2/+2
No functional change, since free doesn't change the value of the pointer passed to it, but it makes this code less confusing. Reviewed-by: Jamey Sharp <jamey@minilop.net> Signed-off-by: Matt Turner <mattst88@gmail.com>
2010-06-06Remove more superfluous if(p) checks around free(p)Mikhail Gusarov2-6/+4
This patch has been generated by the following Coccinelle semantic patch: @@ expression E; @@ -if(E) { free(E); } +free(E); Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net> Reviewed-by: Julien Cristau <jcristau@debian.org> Reviewed-by: Fernando Carrijo <fcarrijo@yahoo.com.br> Reviewed-by: Matt Turner <mattst88@gmail.com>
2010-06-06Replace deprecated bzero with memsetMikhail Gusarov1-3/+3
Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net> Reviewed-by: Marcin Baczyński <marbacz@gmail.com> Reviewed-by: Daniel Stone <daniel@fooishbar.org> Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com> Reviewed-by: Matt Turner <mattst88@gmail.com>
2010-06-05Change the devPrivates API to require dixRegisterPrivateKeyKeith Packard1-2/+2
This patch only changes the API, not the implementation of the devPrivates infrastructure. This will permit a new devPrivates implementation to be layed into the server without requiring simultaneous changes in every devPrivates user. Signed-off-by: Keith Packard <keithp@keithp.com> Tested-by: Tiago Vignatti <tiago.vignatti@nokia.com>
2010-06-03Move each screen's x/y origin into ScreenRec.Jamey Sharp1-4/+5
Many references to the dixScreenOrigins array already had the corresponding screen pointer handy, which meant they usually looked like "dixScreenOrigins[pScreen->myNum]". Adding a field to ScreenRec instead of keeping this information in a parallel array simplifies those expressions, and eliminates a MAXSCREENS-sized array. Since dix declared the dixScreenOrigins array, I figure allocating a screen private for these values is overkill. Signed-off-by: Jamey Sharp <jamey@minilop.net> Reviewed-by: Tiago Vignatti <tiago.vignatti@nokia.com> Tested-by: Tiago Vignatti <tiago.vignatti@nokia.com> (i686 GNU/Linux)
2010-06-03Delete panoramiXdataPtr: it's redundant.Jamey Sharp1-4/+4
This eliminates a dynamically-allocated MAXSCREENS-sized array. Signed-off-by: Jamey Sharp <jamey@minilop.net> Reviewed-by: Tiago Vignatti <tiago.vignatti@nokia.com> Tested-by: Tiago Vignatti <tiago.vignatti@nokia.com> (i686 GNU/Linux)
2010-05-19Add typed resource-lookup errors for non-core resource types.Jamey Sharp1-3/+2
Signed-off-by: Jamey Sharp <jamey@minilop.net> Reviewed-by: Adam Jackson <ajax@redhat.com>
2010-05-13Eliminate boilerplate around client->noClientException.Jamey Sharp1-2/+2
Just let Dispatch() check for a noClientException, rather than making every single dispatch procedure take care of it. Signed-off-by: Jamey Sharp <jamey@minilop.net> Reviewed-by: Daniel Stone <daniel@fooishbar.org>
2010-05-13Replace X-allocation functions with their C89 counterpartsMikhail Gusarov2-33/+33
The only remaining X-functions used in server are XNF*, the rest is converted to plain alloc/calloc/realloc/free/strdup. X* functions are still exported from server and x* macros are still defined in header file, so both ABI and API are not affected by this change. Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2010-02-22Re-enable RECORD extension.Chris Dekter1-53/+70
RECORD was disabled during the switch to internal events. This patch modifies the record callback to work with internal events instead of xEvents. The InternalEvents are converted to core/Xi events as needed. Since record is a loadable extension, the EventTo* calls must be externed. Signed-off-by: Chris Dekter <cdekter@gmail.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2009-12-18Add type name argument to CreateNewResourceTypeAlan Coopersmith1-3/+1
Convert all calls of CreateNewResourceType to pass name argument Breaks DIX ABI. ABI versions bumped: Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com> Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Keith Packard <keithp@keithp.com>
2009-12-18Ensure all resource types created have names registeredAlan Coopersmith1-0/+2
Calls RegisterResourceName to record the type name for use by X-Resource, XACE/SELinux/XTsol, and DTrace. Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com> Reviewed-by: Keith Packard <keithp@keithp.com>
2009-12-08Miscellaneous compilation warning fixesJeremy Huddleston1-9/+2
main.c:134: warning: no previous prototype for 'dix_main' rootlessScreen.c: In function 'RootlessMarkOverlappedWindows': rootlessScreen.c:434: warning: function declaration isn't a prototype backtrace.c:51: warning: format '%lx' expects type 'long unsigned int', but argument 5 has type 'int' backtrace.c:54: warning: format '%lx' expects type 'long unsigned int', but argument 5 has type 'int' set.c: In function 'RecordSetMemoryRequirements': set.c:413: warning: old-style function definition set.c: In function 'RecordCreateSet': set.c:425: warning: old-style function definition stub.c: In function ‘main’: stub.c:236: warning: ISO C90 forbids mixed declarations and code Signed-off-by: Jeremy Huddleston <jeremyhu@freedesktop.org>
2009-09-21input: define server-supported protocol versions in one single file.Peter Hutterer1-2/+4
include/protocol-versions.h specifies each extension version as supported by the server and sent back on the wire to the client. This fixes up several issues with the server potentially reporting a higher version of the protocol if recompiled against a newer version of the protocol. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Acked-by: Rémi Cardona <remi@gentoo.org> Acked-by: Julien Cristau <jcristau@debian.org>
2009-08-24record: include recordproto.h, require recordproto 1.13.99.1Peter Hutterer1-2/+1
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2009-07-30record: silence some compiler warnings.Peter Hutterer1-5/+5
warning: passing argument 4 of ‘RecordAProtocolElement’ discards qualifiers from pointer target type note: expected ‘pointer’ but argument is of type ‘const void *’ record.c:2745: warning: passing argument 1 of ‘SwapConnSetupInfo’ from incompatible pointer type ../include/swaprep.h:243: note: expected ‘char *’ but argument is of type ‘struct xConnSetup *’ record.c:2745: warning: passing argument 1 of ‘SwapConnSetupInfo’ from incompatible pointer type ../include/swaprep.h:243: note: expected ‘char *’ but argument is of type ‘struct xConnSetup *’ Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2009-07-30record: ifdef out RecordExtensionInit and print a warning to the log.Peter Hutterer1-0/+8
The RECORD extension is currently broken. By ifdef'ing out the content of RecordExtensionInit the extension isn't added to the server's internal list and it does not get advertised to the client. Clients can thus fail gracefully with a "extension not supported" instead of waiting forever for events that never arrive. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2009-07-14record: switch to byte counting functionsPeter Hutterer1-6/+7
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2009-06-18record: use dixLookupResourceByClass instead of LookupIDByClass.Peter Hutterer1-6/+10
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2009-04-29Fix most remaining deprecated resource lookups.Eamon Walsh1-5/+4
Callsites updated to use dixLookupResourceBy{Type,Class}. TODO: Audit access modes to make sure they reflect the usage.
2008-12-12Remove #define NEED_EVENTS and NEED_REPLIESPeter Hutterer1-1/+0
A grep on xorg/* revealed there's no consumer of this define. Quote Alan Coopersmith: "The consumer was in past versions of the headers now located in proto/x11proto - for instance, in X11R6.0's xc/include/Xproto.h, all the event definitions were only available if NEED_EVENTS were defined, and all the reply definitions required NEED_REPLIES. Looks like Xproto.h dropped them by X11R6.3, which didn't have the #ifdef's anymore, so these are truly ancient now." Signed-off-by: Peter Hutterer <peter.hutterer@redhat.com> Signed-off-by: Adam Jackson <ajax@redhat.com>
2008-10-03Drop the never-called SkippedRequestCallback list.Adam Jackson1-93/+0
2008-08-28Prepare for array-index based devPrivates.Tomas Carnecky1-1/+2
TODO: static indices can be made just an int; some indices can be combined.
2008-06-11CVE-2008-1377 - RECORD and Security extensions memory corruptionMatthieu Herrb1-3/+13
Lack of validation of the parameters of the SProcSecurityGenerateAuthorization SProcRecordCreateContext functions makes it possible for a specially crafted request to trigger the swapping of bytes outside the parameter of these requests, causing memory corruption.
2008-01-03Merge branch 'master' into mpxPeter Hutterer1-9/+6
Conflicts: XTrap/xtrapddmi.c Xext/security.c Xext/xprint.c Xext/xtest.c Xext/xvdisp.c Xi/exevents.c Xi/grabdevb.c Xi/grabdevk.c Xi/opendev.c Xi/ungrdev.c Xi/ungrdevb.c Xi/ungrdevk.c dix/cursor.c dix/devices.c dix/dixutils.c dix/events.c dix/getevents.c dix/main.c dix/window.c hw/xfree86/ramdac/xf86Cursor.c include/dix.h include/input.h include/inputstr.h mi/midispcur.c mi/miinitext.c mi/misprite.c render/animcur.c xfixes/cursor.c xkb/xkbAccessX.c
2007-11-20Revert "registry: Register Record extension protocol names."Eamon Walsh1-20/+0
This reverts commit ea09c9acc8f0d5577f54c864ff88b7f03d93b2f4. Moving all the names into dix/registry.c
2007-11-07Merge branch 'master' into mpxPeter Hutterer2-8/+8
Conflicts: Xi/extinit.c Xi/grabdev.c Xi/setmode.c Xi/ungrdev.c dix/devices.c dix/events.c dix/getevents.c include/dix.h mi/midispcur.c mi/misprite.c xkb/xkbActions.c xkb/xkbEvents.c xkb/xkbPrKeyEv.c
2007-11-05Merge branch 'master' into XACE-SELINUXEamon Walsh2-8/+8
Conflicts: dix/dispatch.c dix/property.c hw/xfree86/common/xf86VidMode.c include/xkbsrv.h render/glyph.c xkb/xkbActions.c
2007-11-05Record: Remove usage of allocaDaniel Stone2-8/+8
Replace with xalloc/xfree.
2007-10-15registry: Register Record extension protocol names.Eamon Walsh1-0/+20
2007-08-28devPrivates rework: since API is already broken, switch everythingEamon Walsh1-9/+6
over to new system. Need to update documentation and address some remaining vestiges of old system such as CursorRec structure, fb "offman" structure, and FontRec privates.
2007-08-12Merge branch 'master' into mpxPeter Hutterer1-2/+0
Conflicts: Xi/exevents.c dix/devices.c dix/getevents.c include/dix.h mi/mieq.c
2007-06-29Death to RCS tags.Adam Jackson1-2/+0
2007-04-02Merge branch 'master' into mpxPeter Hutterer1-4/+4
Conflicts: Xi/closedev.c Xi/exevents.c Xi/extinit.c Xi/listdev.c dix/window.c hw/xfree86/common/xf86Xinput.c include/extinit.h mi/mipointer.c
2007-03-25General DIX static and dead code cleanup.Adam Jackson1-4/+4
2006-12-11dix: Moving SpriteRec into DeviceIntRecPeter Hutterer1-1/+2
removing global sprite structure beginning to remove MPX ifdefs xnest: Fix to make xnest compile again
2006-07-21Delete some long-unused testing code.Adam Jackson1-236/+0
2006-07-21Remove RCS tags. Fix Xprint makefile braindamage.Adam Jackson3-6/+0
2006-07-18get rid of XFree86LOADER, XFree86Server, XFree86Module, and IN_MODULEDaniel Stone1-1/+1
Get rid of almost all uses of these definitions. They're still defined for delinquent out-of-tree drivers, and also for the Mesa build. As well as for miinitext.c. But largely gone.
2006-06-09fix compiler warnings in record/set.cGreg Kroah-Hartman1-52/+22
(note this only fixed up the function definitions for the static functions which can not cause any abi incompatibility)
2006-05-10Bug #3561: Crash fix in the Record extension. (Paul Anderson)Adam Jackson1-4/+4
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