bug 292691 plug IconURL and history.back() XSS exploits fixed in firefox 1.0.4

docshell patch by jst, r=bz,brendan;sr=dveditz,shaver;a=asa
xpinstall patch by dveditz and vlad; r=vlad,jst; sr=jst,shaver; a=asa


git-svn-id: svn://10.0.0.236/trunk@173419 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
dveditz%cruzio.com
2005-05-13 23:08:09 +00:00
parent f5ad7abd68
commit 7792b0edf7
2 changed files with 128 additions and 51 deletions

View File

@@ -4722,6 +4722,29 @@ nsDocShell::CreateAboutBlankContentViewer()
mCreatingDocument = PR_TRUE;
if (mContentViewer) {
// We've got a content viewer already. Make sure the user
// permits us to discard the current document and replace it
// with about:blank. And also ensure we fire the unload events
// in the current document.
PRBool okToUnload;
rv = mContentViewer->PermitUnload(&okToUnload);
if (NS_SUCCEEDED(rv) && !okToUnload) {
// The user chose not to unload the page, interrupt the load.
return NS_ERROR_FAILURE;
}
// Notify the current document that it is about to be unloaded!!
//
// It is important to fire the unload() notification *before* any state
// is changed within the DocShell - otherwise, javascript will get the
// wrong information :-(
//
(void) FireUnloadNotification();
}
// one helper factory, please
nsCOMPtr<nsICategoryManager> catMan(do_GetService(NS_CATEGORYMANAGER_CONTRACTID));
if (!catMan)
@@ -7151,6 +7174,26 @@ nsDocShell::LoadHistoryEntry(nsISHEntry * aEntry, PRUint32 aLoadType)
NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(aEntry->GetContentType(contentType), NS_ERROR_FAILURE);
PRBool isJavaScript, isViewSource, isData;
if ((NS_SUCCEEDED(uri->SchemeIs("javascript", &isJavaScript)) &&
isJavaScript) ||
(NS_SUCCEEDED(uri->SchemeIs("view-source", &isViewSource)) &&
isViewSource) ||
(NS_SUCCEEDED(uri->SchemeIs("data", &isData)) && isData)) {
// We're loading a javascript: or data: URL from session
// history. Replace the current document with about:blank to
// prevent anything from the current document from leaking
// into any JavaScript code in the URL.
rv = CreateAboutBlankContentViewer();
if (NS_FAILED(rv)) {
// The creation of the intermittent about:blank content
// viewer failed for some reason (potentially because the
// user prevented it). Interrupt the history load.
return NS_OK;
}
}
/* If there is a valid postdata *and* the user pressed
* reload or shift-reload, take user's permission before we
* repost the data to the server.