Allow synonyms for localhost

[spider.git] / perl / DXCommandmode.pm

diff --git a/perl/DXCommandmode.pm b/perl/DXCommandmode.pm
index 3226399746a15385b4582544994e4c0f7b959ba9..ffad39cf1506a6ced64cb3e948d1498a7a4605af 100644 (file)
--- a/perl/DXCommandmode.pm
+++ b/perl/DXCommandmode.pm
@@ -49,7 +49,8 @@ use DXCIDR;
 
 use strict;
 use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase %nothereslug
-       $maxbadcount $msgpolltime $default_pagelth $cmdimportdir $users $maxusers);
+       $maxbadcount $msgpolltime $default_pagelth $cmdimportdir $users $maxusers
+);
 
 %Cache = ();                                   # cache of dynamically loaded routine's mod times
 %cmd_cache = ();                               # cache of short names
@@ -75,9 +76,7 @@ sub new
        my $pkg = shift;
        my $call = shift;
        #       my @rout = $main::routeroot->add_user($call, Route::here(1));
-       my $ipaddr = $self->hostname;
-       $ipaddr = $main::localhost_alias_ipv6 if $ipaddr eq '::1' && $main::localhost_alias_ipv6;
-       $ipaddr = $main::localhost_alias_ipv4 if $ipaddr =~ /^127\./ && $main::localhost_alias_ipv4;
+       my $ipaddr = alias_localhost($self->hostname);
        DXProt::_add_thingy($main::routeroot, [$call, 0, 0, 1, undef, undef, $ipaddr], );
 
        # ALWAYS output the user
@@ -1441,5 +1440,20 @@ sub user_count
     return ($users, $maxusers);
 }
 
+# alias localhost if required. This is designed to repress all localhost and other
+# internal interfaces to a fixed (outside) IPv4 or IPV6 address
+sub alias_localhost
+{
+       my $hostname = shift;
+       if ($hostname =~ /./) {
+               return $hostname unless $main::localhost_alias_ipv4;
+               return (grep $hostname eq $_, @main::localhost_names) ? $main::localhost_alias_ipv4 : $hostname;
+       } elsif ($hostname =~ /:/) {
+               return $hostname unless $main::localhost_alias_ipv6;
+               return (grep $hostname eq $_, @main::localhost_names) ? $main::localhost_alias_ipv6 : $hostname;
+       }
+       return $hostname;
+}
+
 1;
 __END__