[tor-commits] [meek/webextension] Merge branch 'master' into webextension

[dcf@xxxxxxxxxxxxxx]

commit 7530db5bb8ba90c3c895fbc166e8aba9f984868c
Merge: 068306e 975c534
Author: David Fifield <david@xxxxxxxxxxxxxxx>
Date:   Thu Mar 7 15:54:11 2019 -0700

    Merge branch 'master' into webextension

 meek-client-torbrowser/meek-client-torbrowser.go | 84 ++++++++++++----------
 meek-client-torbrowser/protocol_test.go          | 89 ++++++++++++++++++++++++
 2 files changed, 138 insertions(+), 35 deletions(-)

diff --cc meek-client-torbrowser/meek-client-torbrowser.go
index 48b055c,16f0ebc..37dcf6e
--- a/meek-client-torbrowser/meek-client-torbrowser.go
+++ b/meek-client-torbrowser/meek-client-torbrowser.go
@@@ -203,6 -203,30 +203,30 @@@ func isBrowserProfileUpToDate(templateP
  // the path to the Firefox profile to use. Otherwise, the profile is chosen in a
  // platform-specific way (see linux.go, mac.go, windows.go).
  func runFirefox() (cmd *exec.Cmd, stdout io.Reader, err error) {
+ 	// Unset environment variables that Firefox sets after a restart (as
+ 	// caused by, for example, an update or the installation of an add-on).
 -	// XRE_PROFILE_PATH, in particular, overrides the -profile option that
++	// XRE_PROFILE_PATH, in particular, overrides the --profile option that
+ 	// runFirefox sets, causing Firefox to run with profile.default instead
+ 	// of profile.meek-http-helper, which conflicts with the profile.default
+ 	// that is already running. See https://bugs.torproject.org/13247,
+ 	// particularly #comment:17 and #comment:18. The environment variable
+ 	// names come from
+ 	// https://hg.mozilla.org/mozilla-central/file/cfde3603b020/toolkit/xre/nsAppRunner.cpp#l3941
+ 	for _, varname := range []string{
+ 		"XRE_PROFILE_PATH",
+ 		"XRE_PROFILE_LOCAL_PATH",
+ 		"XRE_PROFILE_NAME",
+ 		"XRE_START_OFFLINE",
+ 		"NO_EM_RESTART",
+ 		"XUL_APP_FILE",
+ 		"XRE_BINARY_PATH",
+ 	} {
+ 		err = os.Unsetenv(varname)
+ 		if err != nil {
+ 			return
+ 		}
+ 	}
+ 
  	// Mac OS X needs absolute paths for firefox and for the profile.
  	var absFirefoxPath string
  	absFirefoxPath, err = filepath.Abs(firefoxPath)



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