Bug 956380 - clicking on a mailto link in Firefox brings up a second Claws Mail window / Firefox overrides $TMPDIR
Summary: clicking on a mailto link in Firefox brings up a second Claws Mail window / F...
Alias: None
Product: Fedora
Classification: Fedora
Component: claws-mail
Version: 18
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Andreas Bierfert
QA Contact: Fedora Extras Quality Assurance
Depends On:
Blocks: 1161110
TreeView+ depends on / blocked
Reported: 2013-04-24 20:49 UTC by Aram Agajanian
Modified: 2014-11-06 12:01 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 1070264 (view as bug list)
Last Closed: 2013-12-21 17:05:57 UTC
Type: Bug

Attachments (Terms of Use)

Description Aram Agajanian 2013-04-24 20:49:07 UTC
Description of problem:
Clicking on a mailto link in Firefox when Claws Mail is already running brings up a second Claws Mail window along with the Compose Message window.

Version-Release number of selected component (if applicable):

How reproducible:
Happens every time

Steps to Reproduce:
1.  Start Claws Mail.
2.  Start Firefox.
3.  Direct Firefox to a page with a mailto link.
4.  Click on the mailto link.
Actual results:
A new Claws Mail window appears along with a new Compose Message window.

Expected results:
A new Compose Message window should appear.

Additional info:
If I right-click on an email address in a Terminal and select the "Send Mail To..." option when Claws Mail is already running, a new Compose Message window comes up without a new Claws Mail window.

Comment 1 Michael Schwendt 2013-04-24 21:24:42 UTC
Reproducible with claws-mail-3.9.0-9.cvs122.fc19.x86_64
A second process "claws-mail mailto:address-here" is started.

Comment 2 Michael Schwendt 2013-05-20 08:49:23 UTC
Currently not reproducible anymore with claws-mail-3.9.1-1.fc19.x86_64
Only another Claws Mail compose window is opened.

 2164 ?        Sl     0:00 claws-mail mailto:first@address.here
 2178 ?        S      0:00  \_ claws-mail mailto:first@address.here
 2179 ?        Sl     0:00  |   \_ emacs --no-splash /home/ms19a/.claws-mail/tmp/tmpmsg.0x16594e0
 2194 ?        S      0:00  \_ claws-mail mailto:first@address.here
 2195 ?        Sl     0:00  |   \_ emacs --no-splash /home/ms19a/.claws-mail/tmp/tmpmsg.0xe92c00
 2311 ?        S      0:00  \_ claws-mail mailto:first@address.here
 2312 ?        Sl     0:00      \_ emacs --no-splash /home/ms19a/.claws-mail/tmp/tmpmsg.0x20f31a0

Comment 3 Michael Schwendt 2013-05-22 18:41:39 UTC
Seems to be a more generic issue specific to Firefox. Cannot say that Claws Mail 3.9.1 would fix it.

Comment 4 Aram Agajanian 2013-05-22 20:06:52 UTC
I can no longer reproduce this bug on Fedora 18.  I have tested with firefox releases 20.0-1 and 21.0-3.

Comment 5 Michael Schwendt 2013-05-22 20:14:46 UTC
Okay, I've had a look.

The /usr/bin/firefox shell script does something nasty:

  ## Use $MOZ_TMPDIR if set. Otherwise use /var/tmp instead of /tmp
  ## because of 1GB /tmp limit in Fedora 18 and later.
  ## See: https://bugzilla.redhat.com/show_bug.cgi?id=867073
  export TMPDIR

Claws Mail on the other hand relies on g_get_tmp_dir(), which reads the env vars TMPDIR, TMP, TEMP (in that order), and if none is defined, defaults to /tmp.

So, the tmp_dir path varies depending on whether Claws Mail is started from within Firefox or the desktop env (or shell).

The firefox script ought to respect a user-defined $TMPDIR and not override it like this. I'll add a comment there.

Comment 6 Aram Agajanian 2013-05-22 20:42:38 UTC
OK, now I can reproduce this bug on Fedora 18.

[agajania@localhost tmp]$ ll /tmp/*claws* /var/tmp/*claws*
srwxrwxr-x. 1 agajania agajania 0 May 22 16:36 /tmp/claws-mail-1000
srwxrwxr-x. 1 agajania agajania 0 May 22 16:36 /var/tmp/claws-mail-1000

Comment 7 Michael Schwendt 2013-05-24 08:33:58 UTC
I've posted about this also to Claws Mail users' list.

Temporary work-around: Set TMPDIR and MOZ_TMPDIR environment variables to the same location.

Comment 8 Michael Schwendt 2013-07-08 17:45:11 UTC
So, where are we now?

Meanwhile, Fedora /usr/bin/firefox respects $TMPDIR if set. That's a work-around for users who know about this and do set $TMPDIR.

That doesn't help us much with regard to this issue. If $TMPDIR is not set when Claws Mail is started, it will fall back to using /tmp (see comment 5). When launching Claws Mail from within Firefox, /var/tmp will be used instead.

I don't feel like replacing  g_get_tmp_dir()  with something that would do the same as Fedora's /usr/bin/firefox shell script.

What about a README.Fedora for mentioning this $TMPDIR detail? The least we could do, IMO.

Comment 9 Michael Schwendt 2013-07-21 18:18:36 UTC
I've had a discussion yesterday about a similar problem and also about this particular issue then:


Basically, patching Claws Mail in Fedora would result in a significant deviation from upstream. Behaviour of Fedora's Claws Mail would differ from upstream. That would already be a problem when switching back and forth between Fedora packages and a snapshot from git. Also, Firefox only messes with $TMPDIR in Fedora. It doesn't do that in RHEL (yet).

Comment 10 Fedora End Of Life 2013-12-21 15:29:51 UTC
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Approximately 4 (four) weeks from now Fedora will stop maintaining
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