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Bug 610941 - Don't resolve prototypes for things that aren't windows. r=jst

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--HG--
extra : rebase_source : c455e27b68f15789eae5e7b12d6886560338b22e
This commit is contained in:
Blake Kaplan 2010-12-06 14:46:49 -08:00
parent ecc7bdafe4
commit 50c50a6c60
1 changed files with 10 additions and 1 deletions
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11
dom/base/nsDOMClassInfo.cpp
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@ -4701,7 +4701,7 @@ nsDOMClassInfo::PostCreatePrototype(JSContext * cx, JSObject * proto)
// XXX Is there a better way to check this?
nsISupports *globalNative = XPConnect()->GetNativeOfWrapper(cx, global);
nsCOMPtr<nsPIDOMWindow> piwin = do_QueryInterface(globalNative);
if(!piwin) {
if (!piwin) {
return NS_OK;
}
@ -4709,6 +4709,15 @@ nsDOMClassInfo::PostCreatePrototype(JSContext * cx, JSObject * proto)
if (win->IsClosedOrClosing()) {
return NS_OK;
}
// If the window is in a different compartment than the global object, then
// it's likely that global is a sandbox object whose prototype is a window.
// Don't do anything in this case.
if (win->FastGetGlobalJSObject() &&
global->compartment() != win->FastGetGlobalJSObject()->compartment()) {
return NS_OK;
}
if (win->IsOuterWindow()) {
// XXXjst: Do security checks here when we remove the security
// checks on the inner window.