diff options
Diffstat (limited to 'contrib/bind/bin/named-bootconf/Grot/named-bootconf.pl')
| -rw-r--r-- | contrib/bind/bin/named-bootconf/Grot/named-bootconf.pl | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/contrib/bind/bin/named-bootconf/Grot/named-bootconf.pl b/contrib/bind/bin/named-bootconf/Grot/named-bootconf.pl new file mode 100644 index 0000000..ce1b368 --- /dev/null +++ b/contrib/bind/bin/named-bootconf/Grot/named-bootconf.pl @@ -0,0 +1,324 @@ +#!/usr/bin/perl + +## Copyright (c) 1996-1999 by Internet Software Consortium +## +## Permission to use, copy, modify, and distribute this software for any +## purpose with or without fee is hereby granted, provided that the above +## copyright notice and this permission notice appear in all copies. +## +## THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS +## ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES +## OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE +## CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL +## DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR +## PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS +## ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +## SOFTWARE. + +## $Id: named-bootconf.pl,v 1.2 1999/01/08 19:27:35 vixie Exp $ + +# This is a filter. Input is a named.boot. Output is a named.conf. + +$new_config = ""; + +$have_options = 0; +%options = (); +%options_comments = (); +@topology = (); +@topology_comments = (); +@bogus = (); +@bogus_comments = (); +@transfer_acl = (); +@transfer_comments = (); +$logging = ""; + +while(<>) { + next if /^$/; + + # skip comment-only lines + if (/^\s*;+\s*(.*)$/) { + $new_config .= "// $1\n"; + next; + } + + # handle continued lines + while (/\\$/) { + s/\\$/ /; + $_ .= <>; + } + + chop; + + # deal with lines ending in a coment + if (s/\s*;+\s*(.*)$//) { + $comment = "// $1"; + } else { + $comment = ""; + } + + ($directive, @rest) = split; + + $class = ""; + if ($directive =~ /^(.*)\/(.*)$/) { + $directive = $1; + $class = $2; + } + + if ($directive eq "primary") { + $zname = shift(@rest); + &maybe_print_comment("","\n"); + $new_config .= "zone \"$zname\" "; + if ($class ne "") { + $new_config .= "$class "; + } + $new_config .= "{\n"; + $new_config .= "\ttype master;\n"; + $filename = shift(@rest); + $new_config .= "\tfile \"$filename\";\n"; + $new_config .= "};\n\n"; + } elsif ($directive eq "secondary" || $directive eq "stub") { + if ($directive eq "secondary") { + $type = "slave"; + } else { + $type = "stub"; + } + $zname = shift(@rest); + &maybe_print_comment("","\n"); + $new_config .= "zone \"$zname\" "; + if ($class ne "") { + $new_config .= "$class "; + } + $new_config .= "{\n"; + $new_config .= "\ttype $type;\n"; + $filename = pop(@rest); + if ($filename =~ /^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$/) { + push(@rest, $filename); + $filename = ""; + } else { + $new_config .= "\tfile \"$filename\";\n"; + } + $new_config .= "\tmasters {\n"; + foreach $master (@rest) { + $new_config .= "\t\t$master;\n"; + } + $new_config .= "\t};\n"; + $new_config .= "};\n\n"; + } elsif ($directive eq "cache") { + $zname = shift(@rest); + &maybe_print_comment("","\n"); + $new_config .= "zone \"$zname\" {\n"; + $new_config .= "\ttype hint;\n"; + $filename = shift(@rest); + $new_config .= "\tfile \"$filename\";\n"; + $new_config .= "};\n\n"; + } elsif ($directive eq "directory") { + $options{"directory"} = "\"$rest[0]\""; + $options_comments{"directory"} = $comment; + $have_options = 1; + } elsif ($directive eq "check-names") { + $type = shift(@rest); + if ($type eq "primary") { + $type = "master"; + } elsif ($type eq "secondary") { + $type = "slave"; + } + $action = shift(@rest); + $options{"check-names $type"} = $action; + $options_comments{"check-names $type"} = $comment; + $have_options = 1; + } elsif ($directive eq "forwarders") { + $options{"forwarders"}="{\n"; + foreach $forwarder (@rest) { + $options{"forwarders"} .= "\t\t$forwarder;\n"; + } + $options{"forwarders"} .= "\t}"; + $options_comments{"forwarders"} = $comment; + $have_options = 1; + } elsif ($directive eq "slave") { + &handle_options("forward-only"); + } elsif ($directive eq "options") { + &handle_options(@rest); + } elsif ($directive eq "limit") { + &handle_limit(@rest); + } elsif ($directive eq "include") { + $new_config .= + "// make sure your include is still in the right place\n"; + $comment = "\t" . $comment; + $new_config .= "include \"$rest[0]\";$comment\n\n"; + } elsif ($directive eq "xfrnets" || $directive eq "tcplist") { + if ($comment ne "") { + $comment = "\t$comment"; + } + foreach $elt (@rest) { + push(@transfer_acl, $elt); + push(@transfer_comments, $comment); + } + $have_options = 1; + } elsif ($directive eq "sortlist") { + if ($comment ne "") { + $comment = "\t$comment"; + } + foreach $elt (@rest) { + push(@topology, $elt); + push(@topology_comments, $comment); + } + } elsif ($directive eq "bogusns") { + if ($comment ne "") { + $comment = "\t$comment"; + } + foreach $elt (@rest) { + push(@bogus, $elt); + push(@bogus_comments, $comment); + } + } elsif ($directive eq "max-fetch") { + $options{"transfers-in"}=$rest[0]; + $options_comments{"transfers-in"}=$comment; + $have_options = 1; + } else { + $new_config .= "// NOTE: unconverted directive '$directive @rest'\n\n"; + } +} + +print "// generated by named-bootconf.pl\n\n"; +if ($have_options) { + print "options {\n"; + foreach $option (sort(keys(%options))) { + print "\t$option $options{$option};"; + if ($options_comments{$option} ne "") { + print "\t$options_comments{$option}"; + } + print "\n"; + } + if (@transfer_acl > 0) { + print "\tallow-transfer {\n"; + for ($i = 0; $i <= $#transfer_acl; $i++) { + &print_maybe_masked("\t\t", $transfer_acl[$i], + $transfer_comments[$i]); + } + print "\t};\n"; + } + print "\t/* +\t * If there is a firewall between you and nameservers you want +\t * to talk to, you might need to uncomment the query-source +\t * directive below. Previous versions of BIND always asked +\t * questions using port 53, but BIND 8.1 uses an unprivileged +\t * port by default. +\t */ +\t// query-source address * port 53; +"; + + print "};\n\n"; +} +if ($logging ne "") { + print "logging {\n$logging};\n\n"; +} +if (@topology > 0) { + print "// Note: the following will be supported in a future release.\n"; + print "/*\n"; + print "host { any; } {\n\ttopology {\n"; + for ($i = 0; $i <= $#topology; $i++) { + &print_maybe_masked("\t\t", $topology[$i], + $topology_comments[$i]); + } + print "\t};\n};\n"; + print "*/\n"; + print "\n"; +} +if (@bogus > 0) { + for ($i = 0; $i <= $#bogus; $i++) { + print "server $bogus[$i] { bogus yes; };$bogus_comments[$i]\n"; + } + print "\n"; +} +print $new_config; + +exit 0; + +sub maybe_print_comment { + $prefix = shift; + $suffix = shift; + if ($comment ne "") { + $new_config .= sprintf("%s%s%s", $prefix, $comment, $suffix); + } +} + +sub handle_options { + foreach $option (@_) { + if ($option eq "forward-only") { + $options{"forward"}="only"; + $options_comments{"forward"}=$comment; + $have_options = 1; + } elsif ($option eq "no-recursion") { + $options{"recursion"}="no"; + $options_comments{"recursion"}=$comment; + $have_options = 1; + } elsif ($option eq "no-fetch-glue") { + $options{"fetch-glue"}="no"; + $options_comments{"fetch-glue"}=$comment; + $have_options = 1; + } elsif ($option eq "fake-iquery") { + $options{"fake-iquery"}="yes"; + $options_comments{"fake-iquery"}=$comment; + $have_options = 1; + } elsif ($option eq "query-log") { + if ($comment ne "") { + $logging .= "\t$comment\n"; + } + $logging .= "\tcategory queries { default_syslog; };\n"; + } else { + $options{"// NOTE: unconverted option '$option'"}=""; + $options_comments{"// NOTE: unconverted option '$option'"}= + $comment; + $have_options = 1; + } + } +} + +sub handle_limit { + $limit = shift; + if ($limit eq "datasize" || $limit eq "transfers-in" + || $limit eq "transfers-per-ns" || $limit eq "files") { + $options{$limit}=$_[0]; + $options_comments{$limit}=$comment; + $have_options = 1; + } else { + $options{"// NOTE: unconverted limit '$limit @_'"}=""; + $options_comments{"// NOTE: unconverted limit '$limit @_'"}=$comment; + $have_options = 1; + } +} + +sub print_maybe_masked { + # this assumes a contiguous netmask starting at the MSB + $prefix = shift; + $elt = shift; + $elt_comment = shift; + if ($elt =~ /^(.*)&(.*)$/) { + $address = $1; + $mask = $2; + ($m1,$m2,$m3,$m4) = split(/\./, $mask); + $mask_val = ($m1 << 24) + ($m2 << 16) +($m3 << 8) + $m4; + $zero_bits = 0; + while (($mask_val % 2) == 0) { + $mask_val /= 2; + $zero_bits++; + } + $mask_bits = 32 - $zero_bits; + } else { + $address = $elt; + ($a1,$a2,$a3,$a4) = split(/\./, $address); + if ($a1 < 128) { + $mask_bits = 8; + } elsif ($a1 < 192) { + $mask_bits = 16; + } else { + $mask_bits = 24; + } + } + + print "$prefix$address"; + if ($mask_bits != 32) { + print "/$mask_bits"; + } + print ";$elt_comment\n"; +} |
