commit 534a23fb3fafcf0de5820f2175c087d90b646f1f Author: Alex Catarineu acat@torproject.org Date: Fri Oct 9 12:55:35 2020 +0200

Bug 40166: Disable security.certerrors.mitm.auto_enable_enterprise_roots --- browser/app/profile/000-tor-browser.js | 3 +++ browser/components/BrowserGlue.jsm | 14 ++++++++++++++ 2 files changed, 17 insertions(+)

diff --git a/browser/app/profile/000-tor-browser.js b/browser/app/profile/000-tor-browser.js index d7c7d366b24d..19991a801fcd 100644 --- a/browser/app/profile/000-tor-browser.js +++ b/browser/app/profile/000-tor-browser.js @@ -313,6 +313,9 @@ pref("security.enterprise_roots.enabled", false); // Don't ping Mozilla for MitM detection, see bug 32321 pref("security.certerrors.mitm.priming.enabled", false);

+// Don't automatically enable enterprise roots, see bug 40166 +pref("security.certerrors.mitm.auto_enable_enterprise_roots", false); + // Disable the language pack signing check for now on macOS, see #31942 #ifdef XP_MACOSX pref("extensions.langpacks.signatures.required", false); diff --git a/browser/components/BrowserGlue.jsm b/browser/components/BrowserGlue.jsm index b061e89d5b7b..eb5e4f506a11 100644 --- a/browser/components/BrowserGlue.jsm +++ b/browser/components/BrowserGlue.jsm @@ -1341,6 +1341,20 @@ BrowserGlue.prototype = { // handle any UI migration this._migrateUI();

+ // Clear possibly auto enabled enterprise_roots prefs (see bug 40166) + if ( + !Services.prefs.getBoolPref( + "security.certerrors.mitm.auto_enable_enterprise_roots" + ) && + Services.prefs.getBoolPref( + "security.enterprise_roots.auto-enabled", + false + ) + ) { + Services.prefs.clearUserPref("security.enterprise_roots.enabled"); + Services.prefs.clearUserPref("security.enterprise_roots.auto-enabled"); + } + if (!Services.prefs.prefHasUserValue(PREF_PDFJS_ISDEFAULT_CACHE_STATE)) { PdfJs.checkIsDefault(this._isNewProfile); }