Stackable VFS objects recycle, full_audit interoperability error

Bug #1780463 reported by Mark Thomas on 2018-07-06
This bug affects 1 person
Affects Status Importance Assigned to Milestone
samba (Ubuntu)

Bug Description

Specifying "vfs objects = recycle full_audit" Results in the audit behavior working but the recycle behavior not working:

Jul 5 20:46:05 sambatest smbd_audit: mark||myclient|test|unlink|ok|test-b.txt

However, specifying "vfs objects = full_audit recycle" results in both the recycle bin behavior and the audit behavior working as expected:

Jul 5 20:47:45 sambatest smbd_audit: mark||myclient|test|rename|ok|test-c.txt|.recycle///test-c.txt

It doesn't seem like these modules should overlap in functionality, so the order doesn't seem like it should matter.

Package: samba 2:4.3.11+dfsg-0ubuntu0.16.04.13
Description: Ubuntu 16.04.4 LTS
Release: 16.04

Andreas Hasenack (ahasenack) wrote :

I can confirm this with xenial's samba:

# works:
 path = /storage
 vfs objects = full_audit recycle
 read only = no
 guest ok = no
 full_audit:prefix = %u|%I
 full_audit:success = unlink
 full_audit:failure = none

Jul 11 19:12:55 xenial-samba-vfs-stack smbd_audit: ubuntu||unlink|ok|head
Jul 11 19:12:58 xenial-samba-vfs-stack smbd_audit: ubuntu||unlink|ok|tty
Jul 11 19:13:00 xenial-samba-vfs-stack smbd_audit: ubuntu||unlink|ok|[

I get logging (full_audit) and .recycle gets the files I removed.

Changing the order like this:

 vfs objects = recycle full_audit

I lose the logging, but recycling works.

I'll try on newer versions to see if this was fixed.

Andreas Hasenack (ahasenack) wrote :

Also happens in bionic's 2:4.7.6+dfsg~ubuntu-0ubuntu2, and an upcoming 4.8.2. Looks like this is worth an upstream bug, since the release notes for 4.8.3 don't mention vfs.

Changed in samba (Ubuntu):
status: New → Triaged
importance: Undecided → Low
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