[Bug 1607888] [NEW] Cannot override Timeout directives in included configuration

[Jani Uusitalo]

Public bug reported:

Redefining TimeoutIdle or TimeoutNoTransfer in a configuration file
inside /etc/proftpd/conf.d/, after they've already been defined in
/etc/proftpd/proftpd.conf, fails to change those values for the daemon —
that is, after restarting the daemon, the values for those parameters
remain as those set in /etc/proftpd/proftpd.conf.

At least TimeoutIdle or TimeoutNoTransfer are affected. TimeoutSession
and TimeoutLogin, which (in stock 16.04) haven't been defined in the
master configuration file can be set effectively, but setting them first
in the master file, then again to different values inside conf.d reveals
them to be equally affected.

On the other hand, (at least) ServerName *can* be overridden in the
custom configuration file, so the handling of different configuration
knobs in this regard seems to be inconsistent.

Steps to reproduce:
1. Create a /etc/proftpd/conf.d/proftpd.conf with the following lines:
TimeoutIdle 10
TimeoutNoTransfer 10
2. Restart proftpd
3. Log into the server, wait 11 seconds

What I expect to happen:
To get kicked out of the server.

What happens instead:
I'm allowed to linger on the server, presumably for the 600 seconds defined for TimeoutNoTransfer in /etc/proftpd/proftpd.conf.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: proftpd-basic (not installed)
ProcVersionSignature: Ubuntu 4.4.0-33.52-generic 4.4.15
Uname: Linux 4.4.0-33-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Jul 29 20:29:11 2016
InstallationDate: Installed on 2010-01-15 (2387 days ago)
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
SourcePackage: proftpd-dfsg
UpgradeStatus: Upgraded to xenial on 2016-04-19 (101 days ago)

** Affects: proftpd-dfsg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

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https://bugs.launchpad.net/bugs/1607888

Title:
  Cannot override Timeout directives in included configuration

Status in proftpd-dfsg package in Ubuntu:
  New

Bug description:
  Redefining TimeoutIdle or TimeoutNoTransfer in a configuration file
  inside /etc/proftpd/conf.d/, after they've already been defined in
  /etc/proftpd/proftpd.conf, fails to change those values for the daemon
  — that is, after restarting the daemon, the values for those
  parameters remain as those set in /etc/proftpd/proftpd.conf.

  At least TimeoutIdle or TimeoutNoTransfer are affected. TimeoutSession
  and TimeoutLogin, which (in stock 16.04) haven't been defined in the
  master configuration file can be set effectively, but setting them
  first in the master file, then again to different values inside conf.d
  reveals them to be equally affected.

  On the other hand, (at least) ServerName *can* be overridden in the
  custom configuration file, so the handling of different configuration
  knobs in this regard seems to be inconsistent.

  Steps to reproduce:
  1. Create a /etc/proftpd/conf.d/proftpd.conf with the following lines:
  TimeoutIdle 10
  TimeoutNoTransfer 10
  2. Restart proftpd
  3. Log into the server, wait 11 seconds

  What I expect to happen:
  To get kicked out of the server.

  What happens instead:
  I'm allowed to linger on the server, presumably for the 600 seconds defined for TimeoutNoTransfer in /etc/proftpd/proftpd.conf.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: proftpd-basic (not installed)
  ProcVersionSignature: Ubuntu 4.4.0-33.52-generic 4.4.15
  Uname: Linux 4.4.0-33-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Jul 29 20:29:11 2016
  InstallationDate: Installed on 2010-01-15 (2387 days ago)
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  SourcePackage: proftpd-dfsg
  UpgradeStatus: Upgraded to xenial on 2016-04-19 (101 days ago)

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