1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
#!/usr/bin/perl -w
# create the services file from
# http://www.iana.org/assignments/enterprise-numbers
#
# $Id$
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 2004 Gerald Combs
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
use English;
my $svc_file = "services";
my $in = shift;
my $min_size = 2000000; # Size was 2654612 on 2011-08-31
my @exclude_pats = qw(
^spr-itunes
^spl-itunes
^shilp
);
my $iana_port_url = "http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt";
# As of August 2011, the page linked from http://www.iana.org/protocols/
# is XML. Perhaps we should parse that instead.
$in = $iana_port_url unless(defined $in);
my $revision = '$Revision$';
if ($revision !~ /[0-9]/ ) { $revision = "unknown"; }
my $body = "";
if($in =~ m/^http:/i) {
eval "require LWP::UserAgent;";
die "LWP isn't installed. It is part of the standard Perl module libwww." if $@;
my $agent = LWP::UserAgent->new;
$agent->env_proxy;
$agent->agent("Wireshark make-services.pl/$revision");
warn "starting to fetch $in ...\n";
my $request = HTTP::Request->new(GET => $in);
if (-f $svc_file) {
my $mtime;
(undef,undef,undef,undef,undef,undef,undef,$min_size,undef,$mtime,undef,undef,undef) = stat($svc_file);
$request->if_modified_since( $mtime );
}
my $result = $agent->request($request);
if ($result->code eq 200) {
warn "done fetching $in\n";
my @in_lines = split /\n/, $result->content;
my $prefix = "";
my $exclude_match;
my $line;
my $pat;
foreach $line (@in_lines) {
$prefix = "# ";
$exclude_match = 0;
if ($line =~ /^(\S+)\s+(\d+)\s+(tcp|udp|sctp|dccp)\s+(\S.*)/) {
$line = "$1 $2/$3 # $4";
foreach $pat (@exclude_pats) {
if ($line =~ $pat) {
$exclude_match = 1;
last;
}
}
if ($exclude_match) {
$body .= "# Excluded by $PROGRAM_NAME\n";
} else {
$prefix = "";
}
}
$line =~ s/^\s+|\s+$//g;
$body .= $prefix . $line . "\n";
}
} elsif ($result->code eq 304) {
warn "$svc_file was up-to-date\n";
exit 0;
} else {
die "request for $in failed with result code:" . $result->code;
}
} else {
open IN, "< $in";
$body = <IN>;
close IN;
}
if (length($body) < $min_size * 0.9) {
die "$in doesn't have enough data\n";
}
open OUT, "> $svc_file";
print OUT <<"_HEADER";
# This is a local copy of the IANA port-numbers file.
#
# \$Id\$
#
# Wireshark uses it to resolve port numbers into human readable
# service names, e.g. TCP port 80 -> http.
#
# It is subject to copyright and being used with IANA's permission:
# http://www.wireshark.org/lists/wireshark-dev/200708/msg00160.html
#
# The original file can be found at:
# $iana_port_url
#
$body
_HEADER
close OUT;
|
