95 lines
2.2 KiB
Perl
Executable File
95 lines
2.2 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# create the enterprises file from
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# http://www.iana.org/assignments/enterprise-numbers
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#
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# Wireshark - Network traffic analyzer
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# By Gerald Combs <gerald@wireshark.org>
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# Copyright 2004 Gerald Combs
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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use strict;
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use File::Spec;
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my ($vol, $script_dir) = File::Spec->splitpath( __FILE__ );
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my $root_dir = File::Spec->catpath($vol, $script_dir, "..");
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chdir($root_dir) || die("Can't find $root_dir");
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my $in = shift;
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$in = "http://www.iana.org/assignments/enterprise-numbers" unless(defined $in);
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my @in_lines;
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my $revision = '2014-04-27';
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my $min_entries = 100;
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my $smi_total = 0;
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if($in =~ m/^http:/i) {
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eval "require LWP::UserAgent;";
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die "LWP isn't installed. It is part of the standard Perl module libwww." if $@;
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my $agent = LWP::UserAgent->new;
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$agent->env_proxy;
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$agent->agent("Wireshark make-sminmpec.pl/$revision");
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warn "starting to fetch $in ...\n";
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my $request = HTTP::Request->new(GET => $in);
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my $result = $agent->request($request);
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if ($result->code eq 200) {
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warn "done fetching $in\n";
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@in_lines = split /\n/, $result->content;
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} else {
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die "request for $in failed with result code:" . $result->code;
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}
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} else {
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open IN, "< $in";
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@in_lines = <IN>;
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close IN;
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}
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my $body = '';
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my $code;
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my $name;
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my $last_updated = "(last updated ???)";
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my $end_of_document = 0;
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for(@in_lines) {
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chomp;
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if (/^(\d+)/) {
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$code = sprintf("%d", $1);
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} elsif (/^ ?(\S.*)/ ) { # up to three spaces because of formatting errors in the source
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$name = $1;
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next if (/^\s*\(?\s*unassigned/i);
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$name =~ s/\s+$//;
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$name =~ s/ \((formerly .*)\)/\t# $1/;
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$body .= "\n$code\t$name";
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} elsif (/\(last updated/i) {
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$last_updated = $_;
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} elsif (/^ *End of Document/) {
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$end_of_document = 1;
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}
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}
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die "\"End of Document\" not found. Truncated source file?" unless ($end_of_document);
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open OUT, "> enterprises.tsv";
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print OUT <<"_SMINMPEC";
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#
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# generated from http://www.iana.org/assignments/enterprise-numbers
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# run "tools/make-sminmpec.pl [infile]" to regenerate
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#
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# The format used here is: <NUMERICAL_ID><SPACE><NAME>
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# Where SPACE can be any sequence of spaces and tabs.
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#
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# $last_updated
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$body
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_SMINMPEC
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close OUT;
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