[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Seyeong Kim]

** Description changed:

+ [Impact]
+ 
+ When installing postgresql, many warning msgs are raised
+ Please refer to Original Description
+ 
+ [Test Case]
+ 
+ 1. create ubuntu instance
+ 2. apt install postgresql
+ 
+ 
+ [Regression Potentials]
+ This change is quite small(just escaping), and it is not code changes but 
getenv script which made by debian. so risk is minimal in my opinion.
+ 
+ 
+ [Original Description]
+ 
  When installing postgresql on Ubuntu 16.04 (xenial), the following
  warning are raised:
  
  Unescaped left brace in regex is deprecated, passed through in regex; marked 
by <-- HERE in m/(?https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1538284/+attachment/5103451/+files/lp1538284_artful.debdiff

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Title:
  [SRU] Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Launchpad Bug Tracker]

This bug was fixed in the package pam - 1.1.8-3.6ubuntu1

---
pam (1.1.8-3.6ubuntu1) bionic; urgency=medium

  * Merge with Debian unstable.
- Fixes unescaped brace in pam_getenv regex.  LP: #1538284.
- Fixes pam_namespace defaults for compatibility with dash.  LP: #1081323.
  * Remaining changes:
- debian/control: have libpam-modules recommend update-motd package
- debian/libpam-modules.postinst: Add PATH to /etc/environment if it's
  not present there or in /etc/security/pam_env.conf. (should send to
  Debian).
- debian/libpam0g.postinst: only ask questions during update-manager when
  there are non-default services running.
- debian/libpam0g.postinst: check if gdm is actually running before
  trying to reload it.
- debian/libpam0g.postinst: the init script for 'samba' is now named
  'smbd' in Ubuntu, so fix the restart handling.
- debian/patches-applied/ubuntu-rlimit_nice_correction: Explicitly
  initialise RLIMIT_NICE rather than relying on the kernel limits.
- debian/patches-applied/pam_umask_usergroups_from_login.defs.patch:
  Deprecate pam_unix's explicit "usergroups" option and instead read it
  from /etc/login.def's "USERGROUP_ENAB" option if umask is only defined
  there. This restores compatibility with the pre-PAM behaviour of login.
- debian/patches-applied/pam_motd-legal-notice: display the contents of
  /etc/legal once, then set a flag in the user's homedir to prevent
  showing it again.
- debian/update-motd.5, debian/libpam-modules.manpages: add a manpage
  for update-motd, with some best practices and notes of explanation.
- debian/patches/update-motd-manpage-ref: add a reference in pam_motd(8)
  to update-motd(5)
- debian/local/common-session{,-noninteractive}: Enable pam_umask by
  default, now that the umask setting is gone from /etc/profile.
- debian/local/pam-auth-update: Add the new md5sums for pam_umask addition.
- debian/patches-applied/extrausers.patch: Add a pam_extrausers module
  that is basically just a copy of pam_unix but looks at
  /var/lib/extrausers/{group,passwd,shadow} instead of /etc/
- debian/libpam-modules-bin.install: install the helper binaries for
  pam_extrausers to /sbin
- debian/rules: Make pam_extrausers_chkpwd sguid shadow
- pam-configs/mkhomedir: Added a config for pam_mkhomedir, disabled
  by default.
- don't notify about xdm restarts during a release-upgrade
- debian/patches-applied/cve-2015-3238.patch: removed manpage changes
  so they don't get regenerated during build and cause a multiarch
  installation issue.
  * Dropped changes, included in Debian:
- Build-depend on libfl-dev.
- debian/patches-applied/pam-limits-nofile-fd-setsize-cap: cap the default
  soft nofile limit read from pid 1 to FD_SETSIZE.
  * Fix references to /var/run in update-motd.5.  LP: #1571864
  * Fix service restart handling to integrate with systemd instead of
upstart.

pam (1.1.8-3.6) unstable; urgency=medium

  * Non-maintainer upload.
  * cve-2015-3238.patch: Add the changes in the generated pam_exec.8
and pam_unix.8 in addition to (and after) the changes to the
source .xml files. This avoids unwanted rebuilds that can cause
problems due to differing files on different architectures of
the Multi-Arch: same libpam-modules. (Closes: #851545)

pam (1.1.8-3.5) unstable; urgency=medium

  * Non-maintainer upload.
  * Build-Depend on libfl-dev:native as well, for cross builds.
Re-closes: #846459
  * Fix "Unescaped left brace in regex" with Perl 5.22. Closes: #810873

pam (1.1.8-3.4) unstable; urgency=medium

  * Non-maintainer upload.
  * Add libfl-dev to Build-Depends, fixing FTBFS.  Closes: #846459
  * Move xsl stuff to Build-Depends from -Indep to fix misbuilt manpages.
Closes: #812566

pam (1.1.8-3.3) unstable; urgency=low

  * Non-maintainer upload.
  [ Steve Langasek ]
  * Updated Swedish translation to correct a typo, thanks to Anders Jonsson
and Martin Bagge.  Closes: #743875
  * Updated Turkish translation, thanks to Mert Dirik .
(closes: #756756)
  * d/applied-patches/pam-limits-nofile-fd-setsize-cap: cap the default
soft nofile limit read from pid 1 to FD_SETSIZE.  Thanks to Robie Basak
 for the patch.  Closes: #783105.
  * Acknowledge security NMU.
  * pam-auth-update: don't mishandle trailing whitespace in profiles.
LP: #1487103.

  [ Laurent Bigonville ]
  * debian/control: Fix Vcs-* and Homepage fields (Closes: #752343)
  * debian/watch: Update watch file and point it to http://www.linux-pam.org
  * debian/patches-applied/pam_namespace_fix_bashism.patch: Fix bashism in
namespace.init script (Closes: #624842)
  * debian/control: Build-depends against debhelper (>= 9) to match the
defined debhelper compatibility
  * Rename the cve-2011-4708.patch to cve-2010-4708.patch to match reality,
   

[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Uqbar]

I have fixed the problem with an editor and have manually added the escape 
where required.
There seems to be a fix on Debian since January 2017.
This is 16.04 that'd be an LTS.
What's the reason for holding this change (someone else did) back?

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Uqbar]

... and it's also happening with postgresql-10.0!

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Bug Watch Updater]

** Changed in: pam (Debian)
   Status: Unknown => Fix Released

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Keith Ward]

** Also affects: pam (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815595
   Importance: Unknown
   Status: Unknown

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[V. K.]

This is also happening with postgresql-9.5 on 16.10
(9.5.5-0ubuntu0.16.10).

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Yurx Cherio]

I confirm that installing postgresql-9.6 still produces multiple
messages on a freshly updated 16.04 server instance.

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Uqbar]

1. The bug is still here as of today, triggered by a fresh new install of 
postgresql-9.6
2. The site packages.ubuntu.org says that there is no package in Ubuntu 
(Xenial) containing such a file!

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Chris Sharp]

Upstream Debian bug reported here: https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=815595

** Bug watch added: Debian Bug tracker #815595
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815595

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Brian Murray]

** Changed in: pam (Ubuntu)
   Importance: Undecided => Medium

** Tags added: rls-x-incoming

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Brian Murray]

** Tags added: xenial

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: pam (Ubuntu)
   Status: New => Confirmed

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Title:
  Unescaped left brace in regex is deprecated

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[Bug 1538284] Re: Unescaped left brace in regex is deprecated

[Laurent Declercq]

Wrong package reported. The right package is libpam-runtime

root@xenial:/usr/local/src/imscp# LANG=C aptitude show libpam-runtime
Package: libpam-runtime  
State: installed
Automatically installed: no
Multi-Arch: foreign
Version: 1.1.8-3.1ubuntu3
Priority: required
Section: admin
Maintainer: Ubuntu Developers 
Architecture: all
Uncompressed Size: 307 k
Depends: debconf (>= 0.5) | debconf-2.0, debconf (>= 1.5.19) | cdebconf, 
libpam-modules (>= 1.0.1-6)
Conflicts: libpam0g-util
Replaces: libpam0g-dev, libpam0g-util, libpam0g-dev:i386
Provides: libpam-runtime:i386 (= 1.1.8-3.1ubuntu3)
Description: Runtime support for the PAM library
 Contains configuration files and  directories required for authentication  to 
work on Debian systems.  This package is required on almost all installations.
Homepage: http://pam.sourceforge.net/


** Tags added: libpam-runtime

** Also affects: pam (Ubuntu)
   Importance: Undecided
   Status: New

** No longer affects: postgresql-9.5 (Ubuntu)

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Title:
  Unescaped left brace in regex is deprecated

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