commit 4825026471678728d5aa085717e301fc6551fe2b Author: Mike Perry mikeperry-git@torproject.org Date: Wed Aug 27 15:19:10 2014 -0700

Bug #12974: Disable NTLM and Negotiate HTTP Auth

This is technically an embargoed Mozilla bug, so I probably shouldn't provide too many details.

Suffice to say that NTLM and Negotiate auth are bad for Tor users, and I doubt very many (or any of them) actually need it.

The Mozilla bug is https://bugzilla.mozilla.org/show_bug.cgi?id=1046421 --- extensions/auth/nsHttpNegotiateAuth.cpp | 4 ++++ netwerk/protocol/http/nsHttpNTLMAuth.cpp | 3 +++ 2 files changed, 7 insertions(+)

diff --git a/extensions/auth/nsHttpNegotiateAuth.cpp b/extensions/auth/nsHttpNegotiateAuth.cpp index 5248730..3e5580d 100644 --- a/extensions/auth/nsHttpNegotiateAuth.cpp +++ b/extensions/auth/nsHttpNegotiateAuth.cpp @@ -85,6 +85,10 @@ nsHttpNegotiateAuth::ChallengeReceived(nsIHttpAuthenticableChannel *authChannel, nsIAuthModule *module = (nsIAuthModule *) *continuationState;

*identityInvalid = false; + + /* Always fail Negotiate auth for Tor Browser. We don't need it. */ + return NS_ERROR_ABORT; + if (module) return NS_OK;

diff --git a/netwerk/protocol/http/nsHttpNTLMAuth.cpp b/netwerk/protocol/http/nsHttpNTLMAuth.cpp index d25c1de..6882803 100644 --- a/netwerk/protocol/http/nsHttpNTLMAuth.cpp +++ b/netwerk/protocol/http/nsHttpNTLMAuth.cpp @@ -239,6 +239,9 @@ nsHttpNTLMAuth::ChallengeReceived(nsIHttpAuthenticableChannel *channel,

*identityInvalid = false;

+ /* Always fail Negotiate auth for Tor Browser. We don't need it. */ + return NS_ERROR_ABORT; + // Start a new auth sequence if the challenge is exactly "NTLM". // If native NTLM auth apis are available and enabled through prefs, // try to use them.