Commit 0dfb0173 authored by Gavin Sharp's avatar Gavin Sharp
Browse files

Bug 732413: make DISALLOW_INHERIT_PRINCIPAL flag passed to checkLoadURI...

Bug 732413: make DISALLOW_INHERIT_PRINCIPAL flag passed to checkLoadURI effective even when the source principal is the system principal, r=bz

--HG--
rename : caps/tests/mochitest/test_bug470804.html => caps/tests/mochitest/test_disallowInheritPrincipal.html
extra : transplant_source : %CD%A3%DD%8Aa%DC%1F%BE%F8%0DB%BE%86%3FQ%D8%95%88%9E%CA
parent 9005b231
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+11 −11
Original line number Diff line number Diff line
@@ -1400,6 +1400,16 @@ nsScriptSecurityManager::CheckLoadURIWithPrincipal(nsIPrincipal* aPrincipal,
    NS_ENSURE_ARG_POINTER(aPrincipal);
    NS_ENSURE_ARG_POINTER(aTargetURI);

    // If DISALLOW_INHERIT_PRINCIPAL is set, we prevent loading of URIs which
    // would do such inheriting. That would be URIs that do not have their own
    // security context. We do this even for the system principal.
    if (aFlags & nsIScriptSecurityManager::DISALLOW_INHERIT_PRINCIPAL) {
        nsresult rv =
            DenyAccessIfURIHasFlags(aTargetURI,
                                    nsIProtocolHandler::URI_INHERITS_SECURITY_CONTEXT);
        NS_ENSURE_SUCCESS(rv, rv);
    }

    if (aPrincipal == mSystemPrincipal) {
        // Allow access
        return NS_OK;
@@ -1421,16 +1431,6 @@ nsScriptSecurityManager::CheckLoadURIWithPrincipal(nsIPrincipal* aPrincipal,
        NS_ENSURE_SUCCESS(rv, rv);
    }

    // If DISALLOW_INHERIT_PRINCIPAL is set, we prevent loading of URIs which
    // would do such inheriting.  That would be URIs that do not have their own
    // security context.
    if (aFlags & nsIScriptSecurityManager::DISALLOW_INHERIT_PRINCIPAL) {
        nsresult rv =
            DenyAccessIfURIHasFlags(aTargetURI,
                                    nsIProtocolHandler::URI_INHERITS_SECURITY_CONTEXT);
        NS_ENSURE_SUCCESS(rv, rv);
    }

    // If either URI is a nested URI, get the base URI
    nsCOMPtr<nsIURI> sourceBaseURI = NS_GetInnermostURI(sourceURI);
    nsCOMPtr<nsIURI> targetBaseURI = NS_GetInnermostURI(aTargetURI);
+3 −2
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ _TEST_FILES = test_bug423375.html \
                test_bug246699.html \
                test_bug292789.html \
                test_bug470804.html \
                test_disallowInheritPrincipal.html \
                $(NULL)

test_bug292789.html : % : %.in
+61 −0
Original line number Diff line number Diff line
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=732413
-->
<head>
  <title>Test for Bug 732413</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=732413">Mozilla Bug 732413</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 732413
    Passing DISALLOW_INHERIT_PRINCIPAL flag should be effective even if
    aPrincipal is the system principal.
 **/

netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
const nsIScriptSecurityManager = Components.interfaces.nsIScriptSecurityManager;
var secMan = Components.classes["@mozilla.org/scriptsecuritymanager;1"]
                       .getService(nsIScriptSecurityManager);
var sysPrincipal = secMan.getSystemPrincipal();
isnot(sysPrincipal, undefined, "Should have a principal");
isnot(sysPrincipal, null, "Should have a non-null principal");
is(secMan.isSystemPrincipal(sysPrincipal), true,
   "Should have system principal here");


var ioService = Components.classes["@mozilla.org/network/io-service;1"].
                getService(Components.interfaces.nsIIOService);
var inheritingURI = ioService.newURI("javascript:1+1", null, null);

// First try a normal call to checkLoadURIWithPrincipal
try {
  secMan.checkLoadURIWithPrincipal(sysPrincipal, inheritingURI,
                                   nsIScriptSecurityManager.STANDARD);
  ok(true, "checkLoadURI allowed the load");
} catch (e) {
  ok(false, "checkLoadURI failed unexpectedly: " + e);
}

// Now call checkLoadURIWithPrincipal with DISALLOW_INHERIT_PRINCIPAL
try {
  secMan.checkLoadURIWithPrincipal(sysPrincipal, inheritingURI,
                                   nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL);
  ok(false, "checkLoadURI allowed the load unexpectedly");
} catch (e) {
  ok(true, "checkLoadURI prevented load of principal-inheriting URI");
}

</script>
</pre>
</body>
</html>