commit 720f9061496321aa978d2f022113c40e9aeb4847 Author: Georg Koppen gk@torproject.org Date: Thu Jul 27 07:31:38 2017 +0000

Bug 23044: Don't allow GIO supported protocols by default --- browser/app/profile/000-tor-browser.js | 3 +++ extensions/gio/nsGIOProtocolHandler.cpp | 8 ++++---- 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/browser/app/profile/000-tor-browser.js b/browser/app/profile/000-tor-browser.js index d2fb5e57378a..dc7e99701293 100644 --- a/browser/app/profile/000-tor-browser.js +++ b/browser/app/profile/000-tor-browser.js @@ -210,6 +210,9 @@ pref("network.protocol-handler.warn-external.mailto", true); pref("network.protocol-handler.warn-external.news", true); pref("network.protocol-handler.warn-external.nntp", true); pref("network.protocol-handler.warn-external.snews", true); +// Make sure we don't have any GIO supported protocols (defense in depth +// measure) +pref("network.gio.supported-protocols", ""); pref("plugin.disable", true); // Disable to search plugins on first start pref("plugins.click_to_play", true); pref("plugin.state.flash", 1); diff --git a/extensions/gio/nsGIOProtocolHandler.cpp b/extensions/gio/nsGIOProtocolHandler.cpp index a378e8700821..5f6b2a0a2a57 100644 --- a/extensions/gio/nsGIOProtocolHandler.cpp +++ b/extensions/gio/nsGIOProtocolHandler.cpp @@ -922,16 +922,16 @@ nsGIOProtocolHandler::InitSupportedProtocolsPref(nsIPrefBranch *prefs) // Get user preferences to determine which protocol is supported. // Gvfs/GIO has a set of supported protocols like obex, network, archive, // computer, dav, cdda, gphoto2, trash, etc. Some of these seems to be - // irrelevant to process by browser. By default accept only smb and sftp - // protocols so far. + // irrelevant to process by browser. By default accept none. nsresult rv = prefs->GetCharPref(MOZ_GIO_SUPPORTED_PROTOCOLS, getter_Copies(mSupportedProtocols)); if (NS_SUCCEEDED(rv)) { mSupportedProtocols.StripWhitespace(); ToLowerCase(mSupportedProtocols); } - else - mSupportedProtocols.AssignLiteral("smb:,sftp:"); // use defaults + else { + mSupportedProtocols.AssignLiteral(""); // use none by default + }

LOG(("gio: supported protocols "%s"\n", mSupportedProtocols.get())); }