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Bug 493495 followup. Just cut off the recursion if it gets too deep. r+sr=mrbkap

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This commit is contained in:
Boris Zbarsky 2009-05-21 15:46:05 -04:00
parent b51c4c3b13
commit 0cccd6dadc
1 changed files with 8 additions and 0 deletions
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8
caps/src/nsScriptSecurityManager.cpp
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@ -143,6 +143,14 @@ nsresult
GetPrincipalDomainOrigin(nsIPrincipal* aPrincipal, GetPrincipalDomainOrigin(nsIPrincipal* aPrincipal,
nsACString& aOrigin) nsACString& aOrigin)
{ {
if (nsAutoInPrincipalDomainOriginSetter::sInPrincipalDomainOrigin > 1) {
// Allow a single recursive call to GetPrincipalDomainOrigin, since that
// might be happening on a different principal from the first call. But
// after that, cut off the recursion; it just indicates that something
// we're doing in this method causes us to reenter a security check here.
return NS_ERROR_NOT_AVAILABLE;
}
nsAutoInPrincipalDomainOriginSetter autoSetter; nsAutoInPrincipalDomainOriginSetter autoSetter;
aOrigin.Truncate(); aOrigin.Truncate();