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* Require ANSI C89 pre-processor, drop pre-C89 token pasting supportAlan Coopersmith2016-10-191-28/+0
| | | | | Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* Align files with upstream libX11-1.6.0Ulrich Sibiller2016-10-191-7/+5
| | | | | | | | | | | | This commit looks a bit crazy at first glance. It (re-)introduces lots of whitespaces and bad formatting. Explanation: Backporting upstream changes lead to commits being applied out of order. This meant a lot of manual intervention which in turn lead to slight differences between upstream and NX. With this commit these slight differences are minimized which will be of great help when adding further upstream patches.
* Tell clang not to report -Wpadded warnings on public headers we can't fixAlan Coopersmith2016-10-191-0/+12
| | | | | | | Better to silence the compiler warning than break ABI. Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* Zero buffer data in BufAlloc()Adam Jackson2016-10-191-1/+1
| | | | | | | | | | | Inspired by a pattern in NoMachine's NX. Consistently zeroed buffers compress better with ssh and friends. Note that you'll need to rebuild all your protocol libraries to take advantage of this. Signed-off-by: Adam Jackson <ajax@redhat.com> Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com> Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* Preserve constness in casting arguments through the Data*() routinesAlan Coopersmith2016-10-191-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Casts were annoying gcc by dropping constness when changing types, when routines simply either copy data into the request buffer or send it directly to the X server, and never modify the input. Fixes gcc warnings including: ChProp.c: In function 'XChangeProperty': ChProp.c:65:6: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] ChProp.c:65:6: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] ChProp.c:74:6: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] ChProp.c:74:6: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] ChProp.c:83:6: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] SetHints.c: In function 'XSetStandardProperties': SetHints.c:262:20: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] SetPntMap.c: In function 'XSetPointerMapping': SetPntMap.c:46:5: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] SetPntMap.c:46:5: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] StBytes.c: In function 'XStoreBuffer': StBytes.c:97:33: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] StName.c: In function 'XStoreName': StName.c:40:27: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] StName.c: In function 'XSetIconName': StName.c:51:27: warning: cast discards '__attribute__((const))' qualifier from pointer target type [-Wcast-qual] Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* clang analyzer: Don't warn about Xmalloc(0)Jeremy Huddleston2016-10-191-1/+1
| | | | | | | | This will prevent a number of false positives in where clang's static analysis reports about calls to malloc(0). Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* Silence clang static analysis warnings for SetReqLenJeremy Huddleston2016-10-191-0/+5
| | | | | | | | | | | | | | | | | | | This provides a simplified version of the SetReqLen macro when using clang for static analysis. Prior to this change, we would see many Idempotent operation warnings inside this macro due to the common case of calling with arg2 and arg3 being the same variable. This has no effect on code produced during compilation, but it silences a number of false positives in static analysis. XIPassiveGrab.c:170:5: warning: Assigned value is always the same as the existing value SetReqLen(req, num_modifiers, num_modifiers); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from XIPassiveGrab.c:26: .../nx-X11/lib/X11/Xlibint.h:580:8: note: instantiated from: n = badlen; \ ^ Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* Fix man page and comment references to use XFreeModifiermap (lowercase map)Alan Coopersmith2016-10-191-1/+1
| | | | | Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* Switch GetEmptyReq and GetResReq to call _XGetRequestPeter Hutterer2016-10-191-30/+6
| | | | | | Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jamey Sharp <jamey@minilop.net> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* include: Add GetReqSized() for request buffers of specific sizePeter Hutterer2016-10-191-0/+12
| | | | | | | | | | Some XI2 requests change in size over different versions and libXi would need to hack around GetReq and GetReqExtra. Add a new GetReqSized so the library can explicitly specify the size of the request in 4-byte units. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jamey Sharp <jamey@minilop.net> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* Use GetReqSized for GetReq and GetReqExtraPeter Hutterer2016-10-191-4/+4
| | | | | | | | | | GetEmptyReq and GetResReq cannot do this due to the final typecast - typically requests that need either of those do not have their own typedef in the protocol headers. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jamey Sharp <jamey@minilop.net> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* Add _XGetRequest as substitute for GetReq/GetReqExtraPeter Hutterer2016-10-191-29/+17
| | | | | | Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jamey Sharp <jamey@minilop.net> Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>
* MakeBigReq: don't move the last word, already handled by Data32 (X.Org ↵Karl Tomlinson2016-10-101-2/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | CVE-2013-7439). MakeBigReq inserts a length field after the first 4 bytes of the request (after req->length), pushing everything else back by 4 bytes. The current memmove moves everything but the first 4 bytes back. If a request aligns to the end of the buffer pointer when MakeBigReq is invoked for that request, this runs over the buffer. Instead, we need to memmove minus the first 4 bytes (which aren't moved), minus the last 4 bytes (so we still align to the previous tail). The 4 bytes that fell out are already handled with Data32, which will handle the buffermax correctly. The case where req->length = 1 was already not functional. Reported by Abhishek Arya <inferno@chromium.org> (against X.Org BTS). https://bugzilla.mozilla.org/show_bug.cgi?id=803762 Reviewed-by: Jeff Muizelaar <jmuizelaar@mozilla.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Rebased-for-NX: Mike Gabriel <mike.gabriel@das-netzwerkteam.de> Re-applied after upgrade to libX11 1.3.4: Ulrich Sibiller <uli42@gmx.de>
* Give GNU & Solaris Studio compilers hints about XEatData branchesAlan Coopersmith2016-10-101-2/+14
| | | | | | | | Try to offset the cost of all the recent checks we've added by giving the compiler a hint that the branches that involve us eating data are less likely to be used than the ones that process it. Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
* Remove CRAY supportUlrich Sibiller2016-10-101-58/+0
| | | | | This basically repeats commit bad67799229b94ea2ba0174319949766ad1c2fc6 after the upgrade to libX11 1.3.4.
* improve header guardsUlrich Sibiller2016-10-101-3/+4
| | | | Upstream has changed the header guards. We adapt them to prevent double inclusion.
* update all files with NX relevant changes to libX11 1.3.4Ulrich Sibiller2016-10-101-62/+209
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* Per-file copyright notices: Update copyright information in file headers ↵Mike Gabriel2016-07-061-20/+24
| | | | that NoMachine placed there own copyright statement in.
* remove unreferenced NEED_EVENTS/NEED_REPLIESUlrich Sibiller2016-07-051-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove defines of NEED_EVENTS and NEED_REPLIES because they are never used anywhere. Basically these three commits, but as they are newer and to not match the code structure the patches have not been applied but replaced by sed + manual intervention: From cb95642dc8edebb2935dd471f8b339cb98aa8481 Mon Sep 17 00:00:00 2001 From: Peter Hutterer <peter.hutterer@redhat.com> Date: Fri, 28 Nov 2008 22:28:32 +1000 Subject: Remove #define NEED_EVENTS and NEED_REPLIES 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> -- From 6de368c9aa7ccd2fcd62fca5a2b278913db4d03d Mon Sep 17 00:00:00 2001 From: Fernando Carrijo <fcarrijo@yahoo.com.br> Date: Thu, 1 Jul 2010 06:50:47 -0300 Subject: Purge macros NEED_EVENTS and NEED_REPLIES Signed-off-by: Fernando Carrijo <fcarrijo@yahoo.com.br> Acked-by: Tiago Vignatti <tiago.vignatti@nokia.com> Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com> -- From 57c03e52e6b4e3ed54df5fdd778865467d08e119 Mon Sep 17 00:00:00 2001 From: Fernando Carrijo <fcarrijo@yahoo.com.br> Date: Thu, 1 Jul 2010 06:59:48 -0300 Subject: Purge macro NEED_EVENTS Signed-off-by: Fernando Carrijo <fcarrijo@yahoo.com.br> Acked-by: Tiago Vignatti <tiago.vignatti@nokia.com> Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
* Port _XEatDataWordsUlrich Sibiller2016-06-301-0/+4
| | | | | | | | | | | | | | | This required for successful linking of libXrender against libNX_X11. Port from libXfixes commit b031e3b60fa1af9e49449f23d4a84395868be3ab We need this here to enable linking of current libXrender against libNX_X11 instead of the system's libX11 The original implementation of this function (libX11 commit 9f5d83706543696fc944c1835a403938c06f2cc5) uses xcb stuff which we do not have in libNX_X11. So we take a workaround from another lib. This workaround had been added temporarily to a couple of X extension libs, see e.g. https://lists.x.org/archives/xorg-devel/2013-July/036763.html.
* Backport of _XGetRequest()Ulrich Sibiller2016-06-301-29/+17
| | | | | | | | | | | | | To enable linking of a current libXrender libNX_X11 needs that symbol. This is a (manual) backport of the following upstream libX11 commit available at https://cgit.freedesktop.org/xorg/lib/libX11/commit/src/XlibInt.c?id=4a060f993bf676cf21ad9784e010f54134da7b40: Commit: 4a060f993bf676cf21ad9784e010f54134da7b40 Author: Peter Hutterer <peter.hutterer@who-t.net> Date: Mon, 17 Oct 2011 09:45:15 +1000 Subject: Add _XGetRequest as substitute for GetReq/GetReqExtra
* nx-X11/programs/Xserver: Include nxcomp{,ext,shad} headers like one would do ↵Mike Gabriel2016-06-131-1/+1
| | | | with system-wide shared libraries.
* Clear header file namespace separation (<X11/...> vs. <nx-X11/...>).Mike Gabriel2015-12-281-7/+7
| | | | | | | | | | | | | | | | | | | | In the process of building nxagent against more and more system-wide installed X.org libraries, we come to the limit of including structs from this (bundled nx-X11) and that (system-wide X.Org) library. This commit introduces a clear namespace separation of headers provided by nx-X11 and headers provided by X.Org. This approach is only temporary as we want to drop all nx-X11 bundled libraries from nx-libs. However, for a while we need to make this separation clear and also ship some reduced fake X.Org headers that avoid pulling in libX* and libNX_X* symbols at the same time. This patch has been tested on Debian jessie and unstable and requires no overall testing on various distros and distro versions, as we finally will drop all libNX_X* libraries and build against X.org's client libs. For now, this hack eases our development / cleanup process.
* MakeBigReq: don't move the last word, already handled by Data32 (X.Org ↵Karl Tomlinson2015-04-161-2/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | CVE-2013-7439). MakeBigReq inserts a length field after the first 4 bytes of the request (after req->length), pushing everything else back by 4 bytes. The current memmove moves everything but the first 4 bytes back. If a request aligns to the end of the buffer pointer when MakeBigReq is invoked for that request, this runs over the buffer. Instead, we need to memmove minus the first 4 bytes (which aren't moved), minus the last 4 bytes (so we still align to the previous tail). The 4 bytes that fell out are already handled with Data32, which will handle the buffermax correctly. The case where req->length = 1 was already not functional. Reported by Abhishek Arya <inferno@chromium.org> (against X.Org BTS). https://bugzilla.mozilla.org/show_bug.cgi?id=803762 Reviewed-by: Jeff Muizelaar <jmuizelaar@mozilla.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com> Rebased-for-NX: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
* old-arch cleanup: Drop CRAY support (i.e., drop code related to CRAY, _CRAY, ↵Mike Gabriel2015-04-161-62/+1
| | | | WORD64, WORD64ALIGN, MUSTCOPY, UNSIGNEDBITFIELDS definitions).
* Imported nx-X11-3.5.0-1.tar.gznx-X11/3.5.0-1Reinhard Tartler2011-10-101-1/+1
| | | | | | | | Summary: Imported nx-X11-3.5.0-1.tar.gz Keywords: Imported nx-X11-3.5.0-1.tar.gz into Git repository
* Imported nx-X11-3.4.0-3.tar.gznx-X11/3.4.0-3Reinhard Tartler2011-10-101-1/+1
| | | | | | | | Summary: Imported nx-X11-3.4.0-3.tar.gz Keywords: Imported nx-X11-3.4.0-3.tar.gz into Git repository
* Imported nx-X11-3.4.0-1.tar.gznx-X11/3.4.0-1Reinhard Tartler2011-10-101-2/+2
| | | | | | | | Summary: Imported nx-X11-3.4.0-1.tar.gz Keywords: Imported nx-X11-3.4.0-1.tar.gz into Git repository
* Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1Reinhard Tartler2011-10-101-0/+1346
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
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