FreeNAS Code

let the browser show files as well for iscsi file extent

Add FreeNAS version when saving config.

The uploaded config file is actually still in memory at the time that the upload is being performed. Thus, we can't trust the file attribute to point to something sane.

So, we're back to writing to a temp file, then reading it back.

new feature: save debug
1. added 'Save Debug' button to the Advanced tab
2. clicking on it will open a dialog and wait `freenas-debug` to run
3. user will be redirected to download the file

save config in the form <hostname>-YYYYMMDDhhmmss.db

1. Drop unnecessary 'r' open mode flags.
2. Use ContextSuites instead of ad hoc open->read/write->close.

change system/shutdown to make sure the user load the page before issue the command

Fix the config uploading logic. It worked over
one migration, but it had issues sticking with
the next set of schema, so there's most likely
more changes incoming in the near future to
this functionality.

Revert on fail functionality with a broken DB
appears to be completely broken >_>.

- Don't create a symbolic link to point to self. It does nothing
good and os.rmdir() would recurse and remove /var/tmp's contents.
- If /var/tmp is a symbolic link, just remove the link itself.
- Make a directory for config uploads and set mode to 1777
(sticky and world writable).

workaround to reload page when httpd connection settings are changed