Add sshd-undef patch (rhbz#783528)

logwatch-sshd-undef.patch

@@ -0,0 +1,24 @@
+--- scripts/services/sshd.orig	2012-04-27 10:13:45.000000000 +0200
++++ scripts/services/sshd	2012-04-27 13:57:36.880932891 +0200
+@@ -450,8 +450,19 @@ while (defined(my $ThisLine = <STDIN>))
+ 
+ foreach my $Host (keys %PotentialIllegalUsers) {
+    foreach my $User (keys %{$PotentialIllegalUsers{$Host}}) {
+-      while ($IllegalUsers{$Host}{$User} < $PotentialIllegalUsers{$Host}{$User}) {
+-	 $IllegalUsers{$Host}{$User}++;
++      my @user_hosts = grep { $PotentialIllegalUsers{$_}{$User} } keys %PotentialIllegalUsers;
++
++      if ($Host eq "undef") {
++         if ((scalar @user_hosts) == 1 && $user_hosts[0] == "undef") {
++            # Report illegal user from "undef" only if there are no other hosts
++            # for the given user
++            $IllegalUsers{"undef"}{$User}++;
++         }
++      }
++      else {
++         while ($IllegalUsers{$Host}{$User} < $PotentialIllegalUsers{$Host}{$User}) {
++            $IllegalUsers{$Host}{$User}++;
++         }
+       }
+    }
+ }

logwatch.spec

@@ -33,6 +33,8 @@ Patch12: logwatch-secure-update.patch
 Patch13: logwatch-mail-headers.patch
 # not yet in upstream
 Patch14: logwatch-systemd-logind.patch
+# not yet in upstream
+Patch15: logwatch-sshd-undef.patch
 Requires: textutils sh-utils grep mailx
 Requires: perl(Date::Manip)
 BuildArchitectures: noarch
@@ -59,6 +61,7 @@ of the package on many systems.
 %patch12 -p0
 %patch13 -p0
 %patch14 -p0
+%patch15 -p0
 rm -f scripts/services/*.orig
 
 %build
@@ -155,6 +158,7 @@ echo "# Configuration overrides for specific logfiles/services may be placed her
 - Add secure-update patch (rhbz#809314)
 - Add mail-headers patch (rhbz#811185)
 - Add systemd-logind patch (rhbz#812880)
+- Add sshd-undef patch (rhbz#783528)
 
 * Wed Apr 25 2012 Jan Synáček <jsynacek@redhat.com> - 7.4.0-10.20120425svn100
 - Update to revision 100