commit nss-mdns for openSUSE:12.2

31 Jul 2012

Hello community,

here is the log from the commit of package nss-mdns for openSUSE:12.2 checked in at 2012-07-31 14:05:01
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:12.2/nss-mdns (Old)
 and      /work/SRC/openSUSE:12.2/.nss-mdns.new (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Package is "nss-mdns", Maintainer is "gnome-maintainers@suse.de"

Changes:
--------

--- /work/SRC/openSUSE:12.2/nss-mdns/nss-mdns.changes	2012-06-25 15:47:11.000000000 +0200
+++ /work/SRC/openSUSE:12.2/.nss-mdns.new/nss-mdns.changes	2012-07-31 14:15:59.000000000 +0200
@@ -1,0 +2,18 @@
+Wed Jul 11 13:37:10 CEST 2012 - vuntz@opensuse.org
+
+- Add nss-mdns-config script as a source, and install it in
+  /usr/sbin: this script can be used to enable/disable mdns in
+  /etc/nsswitch.conf (-4/-6 can be used to restrict
+  enabling/disabling to IPv4/IPv6).
+- Change %post/%preun scriptlets to use new nss-mdns-config script
+  instead of custom perl-fu.
+- Do not restrict mdns support in /etc/nsswitch.conf to IPv4: just
+  pass --enable to nss-mdns-config in %post. Fix bnc#710231.
+- Only call nss-mdns-config in %post on first install, to avoid
+  overwriting changes done by users. Fix nss-mdns side of
+  bnc#729796.
+- Do not call sed to change /etc/nsswitch.conf to remove services
+  not provided by nss-mdns anymore: when we need this, we'll be
+  able to integrate this in nss-mdns-config.
+
+-------------------------------------------------------------------

New:
----
  nss-mdns-config

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Other differences:
------------------
++++++ nss-mdns.spec ++++++
--- /var/tmp/diff_new_pack.cFibSw/_old	2012-07-31 14:15:59.000000000 +0200
+++ /var/tmp/diff_new_pack.cFibSw/_new	2012-07-31 14:15:59.000000000 +0200
@@ -1,7 +1,7 @@
 #
-# spec file for package nss-mdns (Version 0.10)
+# spec file for package nss-mdns
 #
-# Copyright (c) 2009 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -15,21 +15,21 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-# norootforbuild
-
 
 Name:           nss-mdns
 # lynx is not needed, text version of README is already present
 #BuildRequires:  lynx
 Version:        0.10
-Release:        41
-Group:          Productivity/Networking/DNS/Utilities
-License:        LGPL-2.1+
+Release:        0
 Url:            http://0pointer.de/lennart/projects/nss-mdns/
 Summary:        Host Name Resolution Via Multicast DNS (Zeroconf) for glibc
+License:        LGPL-2.1+
+Group:          Productivity/Networking/DNS/Utilities
 Source:         %{name}-%{version}.tar.bz2
+Source1:        nss-mdns-config
 Source2:        baselibs.conf
 Patch:          unaligned.diff
+# needed by nss-mdns-config
 PreReq:         sed grep
 Requires:       avahi
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -48,12 +48,6 @@
 By default, nss-mdns tries to contact a running avahi-daemon to resolve
 hostnames and addresses and makes use of its superior record cacheing.
 
-
-
-Authors:
---------
-    Lennart Poettering <mzaffzqaf@0pointer.de>
-
 %prep
 %setup -q
 %patch
@@ -63,82 +57,34 @@
 
 %install
 %makeinstall
+install -D -m0755 %{SOURCE1} %{buildroot}%{_sbindir}/nss-mdns-config
 
 %post
 /sbin/ldconfig
-# Perl-fu to add mdns4_minimal to the hosts line of /etc/nsswitch.conf
-if [ -f /etc/nsswitch.conf ] ; then
-    perl -ibak -pe '
-    sub insert {
-	my @bits = split(" ", shift);
-	if (grep { $_ eq "mdns4_minimal" || $_ eq "mdns4"
-		    || $_ eq "mdns6_minimal" || $_ eq "mdns6"
-		    || $_ eq "mdns_minimal" || $_ eq "mdns" } @bits) {
-		return join " ", @bits;
-		}
-	    return join " ", map {
-		$_ eq "dns" ? ("mdns4_minimal", "[NOTFOUND=return]", $_) : $_
-		} @bits;
-	    }
-    s/^(hosts:\s+)(.*)$/$1.insert($2)/e;
-    ' /etc/nsswitch.conf
+if [ "$1" -eq 1 ] ; then
+    # Only enable on first install, to not overwrite changes done by users
+    nss-mdns-config --enable
 fi
 
 %preun
-# Perl-fu to remove mdns4_minimal from the hosts line of /etc/nsswitch.conf
-if [ "$1" -eq 0 -a -f /etc/nsswitch.conf ] ; then
-    perl -ibak -pe '
-    my @remove = (
-	"mdns4_minimal [NOTFOUND=return]",
-	"mdns4_minimal",
-	"mdns4",
-	"mdns6_minimal [NOTFOUND=return]",
-	"mdns6_minimal",
-	"mdns6",
-	"mdns_minimal [NOTFOUND=return]",
-	"mdns_minimal",
-	"mdns",
-	);
-    sub remove {
-	my $s = shift;
-	foreach my $bit (@remove) {
-	    $s =~ s/\s+\Q$bit\E//g;
-	    }
-	return $s;
-	}
-    s/^(hosts:\s+)(.*)$/$1.remove($2)/e;
-    ' /etc/nsswitch.conf
+if [ "$1" -eq 0 ] ; then
+    # Completely disable when not upgrading (ie, fully uninstalling)
+    nss-mdns-config --disable
 fi
 
 %postun
 /sbin/ldconfig
-# Build a regexp removing all no more provided libraries.
-# If there are no known libraries installed, remove also related "[NOTFOUND=return]"
-REMOVE_REGEXP=
-REAL_REMOVE=true
-for NSS_NAME in mdns mdns4 mdns4_minimal mdns_minimal mdns6 mdns6_minimal ; do
-    if test -f %{_lib}/libnss_$NSS_NAME.so.2 ; then
-	REAL_REMOVE=false
-    else
-	REMOVE_REGEXP="${REMOVE_REGEXP}
-	    s/\\([[:space:]][[:space:]]*\\)$NSS_NAME\\([[:space:]][[:space:]]*\\)/\\1/g;
-	    s/\\([[:space:]][[:space:]]*\\)$NSS_NAME\$//g;"
-    fi
-done
-if $REAL_REMOVE ; then
-    REMOVE_REGEXP="s/\\(mdns[46]*_minimal\\)[[:space:]][[:space:]]*\\[NOTFOUND=return\\]/\\1/;$REMOVE_REGEXP"
-fi
-sed -i "/^hosts:/{$REMOVE_REGEXP}" etc/nsswitch.conf
 
 %files
 %defattr(-,root,root)
 %doc LICENSE README doc/*.html doc/*.css
+%{_sbindir}/nss-mdns-config
 /%{_lib}/libnss_mdns.so.2
+/%{_lib}/libnss_mdns_minimal.so.2
 /%{_lib}/libnss_mdns4.so.2
 /%{_lib}/libnss_mdns4_minimal.so.2
 /%{_lib}/libnss_mdns6.so.2
 /%{_lib}/libnss_mdns6_minimal.so.2
-/%{_lib}/libnss_mdns_minimal.so.2
 
 %clean
 rm -rf $RPM_BUILD_ROOT

++++++ nss-mdns-config ++++++
#!/bin/sh
# vim: set ts=2 sw=2 et:

#
# Copyright (c) 2012, Novell, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#  * Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#  * Neither the name of the <ORGANIZATION> nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
#
# (Licensed under the simplified BSD license)
#
# Authors: Vincent Untz <vuntz@opensuse.org>
#

NSSWITCH=/etc/nsswitch.conf

function usage() {
  echo "nss-mdns-config [--enable|--disable] [-4|-6] [--no-backup]"
}

ENABLE=0
DISABLE=0
IPv4=0
IPv6=0
IPvALL=0
BACKUP=1

while test $# -gt 0; do
  case "$1" in
    --enable) ENABLE=1; shift;;
    --disable) DISABLE=1; shift;;
    -4) IPv4=1; shift;;
    -6) IPv6=1; shift;;
    --no-backup) BACKUP=0; shift;;
    *) usage; exit 1;;
  esac
done

if test "$ENABLE" -eq 1 -a "$DISABLE" -eq 1; then
  usage
  exit 1
fi

if test "$IPv4" -eq 1 -a "$IPv6" -eq 1; then
  # Supporting -4 and -6 at the same time would make --enable more complex,
  # since we'd like it to add both mdns4_minimal and mdns6_minimal. So just
  # don't do it for now.
  usage
  exit 1
fi

if test "$IPv4" -ne 1 -a "$IPv6" -ne 1; then
  IPv4=1
  IPv6=1
  IPvALL=1
fi

if test ! -f "$NSSWITCH"; then
  if test "$ENABLE" -ne 1 -a "$DISABLE" -ne 1; then
    echo "No $NSSWITCH file."
  fi
  exit 0
fi

HOSTS=$(grep -m1 "^\s*hosts:" "$NSSWITCH")

if test $? -ne 0; then
  echo "No hosts configuration in $NSSWITCH."
  exit 0
fi

VALUE=$(echo $HOSTS | sed "s/^\s*hosts:\s*//g")

if test "$ENABLE" -ne 1 -a "$DISABLE" -ne 1; then

  IPv4_ENABLED=0
  IPv6_ENABLED=0
  ENABLED=0

  for ITEM in $VALUE; do
    if test "$ITEM" == "mdns4_minimal" -o "$ITEM" == "mdns4"; then
      IPv4_ENABLED=1
    elif test "$ITEM" == "mdns6_minimal" -o "$ITEM" == "mdns6"; then
      IPv6_ENABLED=1
    elif test "$ITEM" == "mdns_minimal" -o "$ITEM" == "mdns"; then
      ENABLED=1
    fi
  done

  if test "$ENABLED" -eq 1; then
    echo "Full support for nss-mdns is enabled."
  elif test "$IPv4_ENABLED" -eq 1 -a "$IPv6_ENABLED" -eq 1; then
    echo "Support for nss-mdns is enabled for IPv4 and IPv6."
  elif test "$IPv4_ENABLED" -eq 1; then
    echo "Support for nss-mdns is enabled for IPv4."
  elif test "$IPv6_ENABLED" -eq 1; then
    echo "Support for nss-mdns is enabled for IPv6."
  else
    echo "Support for nss-mdns is disabled."
  fi

elif test "$DISABLE" -eq 1; then

  NEWVALUE=""
  DROPACTION=0

  for ITEM in $VALUE; do
    if test \( "$ITEM" == "mdns4_minimal" -o "$ITEM" == "mdns4" \) -a "$IPv4" -eq 1; then
      DROPACTION=1
    elif test \( "$ITEM" == "mdns6_minimal" -o "$ITEM" == "mdns6" \) -a "$IPv6" -eq 1; then
      DROPACTION=1
    elif test "$ITEM" == "mdns_minimal" -o "$ITEM" == "mdns"; then
      if test "$IPvALL" -eq 1; then
        DROPACTION=1
      elif test "$IPv4" -eq 1; then
        NEWVALUE="$NEWVALUE `echo $ITEM | sed 's:mdns:mdns6:'`"
        DROPACTION=0
      elif test "$IPv6" -eq 1; then
        NEWVALUE="$NEWVALUE `echo $ITEM | sed 's:mdns:mdns4:'`"
        DROPACTION=0
      else
        echo "Internal error when disabling $ITEM."
        exit 1
      fi
    elif test "${ITEM::1}" == "[" -a "$DROPACTION" -eq 1; then
      DROPACTION=0
    else
      NEWVALUE="$NEWVALUE $ITEM"
      DROPACTION=0
    fi
  done

  NEWVALUE=$(echo $NEWVALUE | sed "s/^\s*//;s/^\s*$//")

  if test "$BACKUP" -eq 1; then
    cp -a "$NSSWITCH" "${NSSWITCH}bak"
  fi
  sed -i "s/\(^\s*hosts:\s*\).*/\1$NEWVALUE/" "$NSSWITCH"

elif test "$ENABLE" -eq 1; then

  NEWVALUE=""
  FOUND=0
  FOUND_DNS=0
  DROPACTION=0

  for ITEM in $VALUE; do
    if test \( "$ITEM" == "mdns_minimal" -o "$ITEM" == "mdns4_minimal" -o "$ITEM" == "mdns6_minimal" \); then
      if test "$FOUND_DNS" -eq 1; then
        # don't keep *_minimal after dns; it's not desired there
        DROPACTION=1
      else
        if test "$IPvALL" -eq 1 -a \( "$ITEM" == "mdns4_minimal" -o "$ITEM" == "mdns6_minimal" \); then
          # no need to keep mdns[46]_minimal since we'll add mdns_minimal
          DROPACTION=1
        else
          if test "$ITEM" == "mdns_minimal"; then
            FOUND=1
          elif test "$ITEM" == "mdns4_minimal" -a "$IPv4" -eq 1; then
            FOUND=1
          elif test "$ITEM" == "mdns6_minimal" -a "$IPv6" -eq 1; then
            FOUND=1
          fi
          # force the use of [NOTFOUND=return] after *_minimal
          NEWVALUE="$NEWVALUE $ITEM [NOTFOUND=return]"
          DROPACTION=1
        fi
      fi
    elif test \( "$ITEM" == "mdns" -o "$ITEM" == "mdns4" -o "$ITEM" == "mdns6" \); then
      # we simply don't use the non-minimal version in our setup, so drop it
      DROPACTION=1
    elif test "$ITEM" == "dns"; then
      FOUND_DNS=1
      DROPACTION=0
      if test "$FOUND" -ne 1; then
        FOUND=1
        if test "$IPvALL" -eq 1; then
          NEWVALUE="$NEWVALUE mdns_minimal [NOTFOUND=return] $ITEM"
        elif test "$IPv4" -eq 1; then
          NEWVALUE="$NEWVALUE mdns4_minimal [NOTFOUND=return] $ITEM"
        elif test "$IPv6" -eq 1; then
          NEWVALUE="$NEWVALUE mdns6_minimal [NOTFOUND=return] $ITEM"
        else
          echo "Internal error when enabling."
          exit 1
        fi
      else
        NEWVALUE="$NEWVALUE $ITEM"
      fi
    elif test "${ITEM::1}" == "[" -a "$DROPACTION" -eq 1; then
      DROPACTION=0
    else
      NEWVALUE="$NEWVALUE $ITEM"
      DROPACTION=0
    fi
  done

  if test "$FOUND_DNS" -ne 1; then
    echo "No dns service for hosts configuration in $NSSWITCH."
    exit 0
  fi

  NEWVALUE=$(echo $NEWVALUE | sed "s/^\s*//;s/^\s*$//")

  if test "$BACKUP" -eq 1; then
    cp -a "$NSSWITCH" "${NSSWITCH}bak"
  fi
  sed -i "s/\(^\s*hosts:\s*\).*/\1$NEWVALUE/" "$NSSWITCH"

fi
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commit nss-mdns for openSUSE:12.2

root＠hilbert.suse.de