Pier Angelo Vendrame pushed to branch tor-browser-147.0a1-16.0-2 at The Tor Project / Applications / Tor Browser Commits: 38e3d053 by Pier Angelo Vendrame at 2026-02-17T16:02:48+01:00 Bug 2016052 - Add a build flag to disable system preferences. r=gstoll Differential Revision: https://phabricator.services.mozilla.com/D282768 - - - - - a2fa7105 by Pier Angelo Vendrame at 2026-02-17T17:39:20+01:00 fixup! Base Browser's .mozconfigs. BB 44394: Disable preferences from /etc/firefox on Linux. - - - - - 3 changed files: - browser/config/mozconfigs/base-browser - modules/libpref/Preferences.cpp - toolkit/moz.configure Changes: ===================================== browser/config/mozconfigs/base-browser ===================================== @@ -29,6 +29,8 @@ ac_add_options --enable-proxy-bypass-protection # See bugs #30575 and #32418: system policies are harmful either because they # could allow proxy bypass, and override a number of other preferences we set ac_add_options --disable-system-policies +# tor-browser#44394 +ac_add_options --disable-system-preferences # See bug #41131 ac_add_options --disable-backgroundtasks ===================================== modules/libpref/Preferences.cpp ===================================== @@ -5218,7 +5218,7 @@ nsresult Preferences::InitInitialObjects(bool aIsStartup) { } } -#if defined(MOZ_WIDGET_GTK) +#if defined(MOZ_WIDGET_GTK) && defined(MOZ_SYSTEM_PREFERENCES) // To ensure the system-wide preferences are not overwritten by // firefox/browser/defauts/preferences/*.js we need to load // the /etc/firefox/defaults/pref/*.js settings as last. ===================================== toolkit/moz.configure ===================================== @@ -4052,6 +4052,17 @@ option( set_config("MOZ_SYSTEM_POLICIES", True, when="--enable-system-policies") +# System preferences +# ============================================================== + +option( + "--disable-system-preferences", + help="Disable reading preferences from /etc/firefox", +) + +set_config("MOZ_SYSTEM_PREFERENCES", True, when="--enable-system-preferences") +set_define("MOZ_SYSTEM_PREFERENCES", True, when="--enable-system-preferences") + # Allow disabling the creation a legacy profile # ============================================================== View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/compare/c0dcd20... -- View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/compare/c0dcd20... You're receiving this email because of your account on gitlab.torproject.org.