xserver libX11 mesa git update 15 July

2 files changed, 46 insertions, 4 deletions

diff --git a/xorg-server/xkb/xkb.c b/xorg-server/xkb/xkb.c
index 86231a895..9c66955f4 100644
--- a/xorg-server/xkb/xkb.c
+++ b/xorg-server/xkb/xkb.c
@@ -2786,6 +2786,7 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
     if (req->nSI>0) {
 	xkbSymInterpretWireDesc *wire = (xkbSymInterpretWireDesc *)data;
 	XkbSymInterpretPtr	sym;
+	unsigned int		skipped = 0;
 	if ((unsigned)(req->firstSI+req->nSI)>compat->num_si) {
 	    compat->num_si= req->firstSI+req->nSI;
 	    compat->sym_interpret= realloc(compat->sym_interpret,
@@ -2799,11 +2800,19 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
 	    compat->num_si = req->firstSI+req->nSI;
 	}
 	sym = &compat->sym_interpret[req->firstSI];
-	for (i=0;i<req->nSI;i++,wire++,sym++) {
+	for (i=0;i<req->nSI;i++,wire++) {
 	    if (client->swapped) {
 		int n;
 		swapl(&wire->sym,n);
 	    }
+	    if (wire->sym == NoSymbol && wire->match == XkbSI_AnyOfOrNone &&
+		(wire->mods & 0xff) == 0xff &&
+		wire->act.type == XkbSA_XFree86Private) {
+		ErrorF("XKB: Skipping broken Any+AnyOfOrNone(All) -> Private "
+		       "action from client\n");
+		skipped++;
+		continue;
+	    }
 	    sym->sym= wire->sym;
 	    sym->mods= wire->mods;
 	    sym->match= wire->match;
@@ -2811,6 +2820,14 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
 	    sym->virtual_mod= wire->virtualMod;
 	    memcpy((char *)&sym->act,(char *)&wire->act,
                    SIZEOF(xkbActionWireDesc));
+            sym++;
+	}
+	if (skipped) {
+	    if (req->firstSI + req->nSI < compat->num_si)
+		memmove(sym, sym + skipped,
+	                (compat->num_si - req->firstSI - req->nSI) *
+			 sizeof(*sym));
+	    compat->num_si -= skipped;
 	}
 	data = (char *)wire;
     }
diff --git a/xorg-server/xkb/xkmread.c b/xorg-server/xkb/xkmread.c
index e8b97dcda..a5c1ecfff 100644
--- a/xorg-server/xkb/xkmread.c
+++ b/xorg-server/xkb/xkmread.c
@@ -425,9 +425,9 @@ XkbAction               *act;
     if (XkbAllocCompatMap(xkb,XkbAllCompatMask,num_si)!=Success)
 	return -1;
     compat= xkb->compat;
-    compat->num_si= num_si;
+    compat->num_si= 0;
     interp= compat->sym_interpret;
-    for (i=0;i<num_si;i++,interp++) {
+    for (i=0;i<num_si;i++) {
 	tmp= fread(&wire,SIZEOF(xkmSymInterpretDesc),1,file);
 	nRead+= tmp*SIZEOF(xkmSymInterpretDesc);
 	interp->sym= wire.sym;
@@ -520,6 +520,29 @@ XkbAction               *act;
             break;
 
         case XkbSA_XFree86Private:
+            /*
+             * Bugfix for broken xkbcomp: if we encounter an XFree86Private
+             * action with Any+AnyOfOrNone(All), then we skip the interp as
+             * broken.  Versions of xkbcomp below 1.2.2 had a bug where they
+             * would interpret a symbol that couldn't be found in an interpret
+             * as Any.  So, an XF86LogWindowTree+AnyOfOrNone(All) interp that
+             * triggered the PrWins action would make every key without an
+             * action trigger PrWins if libX11 didn't yet know about the
+             * XF86LogWindowTree keysym.  None too useful.
+             *
+             * We only do this for XFree86 actions, as the current XKB
+             * dataset relies on Any+AnyOfOrNone(All) -> SetMods for Ctrl in
+             * particular.
+             *
+             * See xkbcomp commits 2a473b906943ffd807ad81960c47530ee7ae9a60 and
+             * 3caab5aa37decb7b5dc1642a0452efc3e1f5100e for more details.
+             */
+            if (interp->sym == NoSymbol && interp->match == XkbSI_AnyOfOrNone &&
+                (interp->mods & 0xff) == 0xff) {
+                ErrorF("XKB: Skipping broken Any+AnyOfOrNone(All) -> Private "
+                       "action from compiled keymap\n");
+                continue;
+            }
             /* copy the kind of action */
             memcpy(act->any.data, wire.actionData, XkbAnyActionDataSize);
             break ;
@@ -531,10 +554,12 @@ XkbAction               *act;
             /* unsupported. */
             break;
         }
+        interp++;
+        compat->num_si++;
     }
     if ((num_si>0)&&(changes)) {
 	changes->compat.first_si= 0;
-	changes->compat.num_si= num_si;
+	changes->compat.num_si= compat->num_si;
     }
     if (groups) {
 	register unsigned bit;