Created
July 9, 2011 19:51
-
-
Save blovett/1073888 to your computer and use it in GitHub Desktop.
Stupid conversion script for converting IPv6 addresses to PTR notation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/perl | |
| while (<>) { | |
| chomp; | |
| if (/IN\s*PTR/) { | |
| if (/^(.*)\s+IN\s+PTR\s+(\w.*)/) { | |
| my $v6_addy = $1; | |
| my $ptr_val = $2; | |
| my $ipv6_reverse = `sipcalc -r $v6_addy | grep ip6.arpa | tail -n1`; | |
| chomp($ipv6_reverse); | |
| if ($ipv6_reverse) { | |
| print "$ipv6_reverse\tIN\tPTR\t$ptr_val\n"; | |
| } else { | |
| print "; $_\t;; invalid!\n"; | |
| print STDERR "Warning! Could not properly convert \'$v6_addy\' to nibble form!\n"; | |
| } | |
| } | |
| } else { | |
| print "$_\n";; | |
| } | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| % cat master/0.0.1.0.8.b.d.0.1.0.0.2.ip6.arpa.tmpl | |
| $TTL 1h | |
| @ IN SOA dns.example.com. hostmaster.example.com. ( | |
| 2011070901 ; Serial # - bump up if file chg'd | |
| 30m ; Refresh secondary | |
| 5m ; Retry secondary | |
| 7d ; Expire secondary | |
| 5m ) ; Minimum ttl | |
| IN NS dns.example.com. | |
| IN NS dns2.example.com. | |
| ; | |
| ; 2001:db8:100::/64 | |
| ; | |
| 2001:db8:100::1 IN PTR gw1.example.com. | |
| ; | |
| ; 2001:db8:100:f00d::/64 | |
| ; | |
| 2001:db8:100:f00d::1 IN PTR gw2.example.com. | |
| 2001:db8:100:f00d::2 IN PTR host1.example.com. | |
| ; vim: ts=5 tw=0 | |
| % perl ./convert_to_bind.pl master/0.0.1.0.8.b.d.0.1.0.0.2.ip6.arpa.tmpl | |
| $TTL 1h | |
| @ IN SOA dns.example.com. hostmaster.example.com. ( | |
| 2011070901 ; Serial # - bump up if file chg'd | |
| 30m ; Refresh secondary | |
| 5m ; Retry secondary | |
| 7d ; Expire secondary | |
| 5m ) ; Minimum ttl | |
| IN NS dns.example.com. | |
| IN NS dns2.example.com. | |
| ; | |
| ; 2001:db8:100::/64 | |
| ; | |
| 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.8.b.d.0.1.0.0.2.ip6.arpa. IN PTR gw1.example.com. | |
| ; | |
| ; 2001:db8:100:f00d::/64 | |
| ; | |
| 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.0.0.f.0.0.1.0.8.b.d.0.1.0.0.2.ip6.arpa. IN PTR gw2.example.com. | |
| 2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.0.0.f.0.0.1.0.8.b.d.0.1.0.0.2.ip6.arpa. IN PTR host1.example.com. | |
| ; vim: ts=5 tw=0 | |
| % named-checkzone 0.0.1.0.8.b.d.0.1.0.0.2.ip6.arpa master/0.0.1.0.8.b.d.0.1.0.0.2.ip6.arpa | |
| zone 0.0.1.0.8.b.d.0.1.0.0.2.ip6.arpa/IN: loaded serial 2011070901 | |
| OK |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
sipcalc -r 2001:db8:100::1 | egrep '\.ip6.arpa\.'this would remove the need for the tail -n1 command