forked from osmocom/wireshark
141 lines
4.2 KiB
Raku
Executable File
141 lines
4.2 KiB
Raku
Executable File
#!/usr/bin/perl
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#
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# Reads the display filter keyword dump produced by 'tshark -G' and
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# formats it for a pod document. The pod document is then used to
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# make a manpage
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#
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# STDIN is the wireshark glossary
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# arg1 is the pod template file. The =insert_dfilter_table token
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# will be replaced by the pod-formatted glossary
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# STDOUT is the output
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#
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# Gilbert Ramirez <gram [AT] alumni.rice.edu>
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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 1998 Gerald Combs
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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use Getopt::Std;
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%ftenum_names = (
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'FT_NONE', 'No value',
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'FT_PROTOCOL', 'Protocol',
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'FT_BOOLEAN', 'Boolean',
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'FT_UINT8', 'Unsigned 8-bit integer',
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'FT_UINT16', 'Unsigned 16-bit integer',
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'FT_UINT24', 'Unsigned 24-bit integer',
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'FT_UINT32', 'Unsigned 32-bit integer',
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'FT_UINT64', 'Unsigned 64-bit integer',
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'FT_INT8', 'Signed 8-bit integer',
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'FT_INT16', 'Signed 16-bit integer',
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'FT_INT24', 'Signed 24-bit integer',
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'FT_INT32', 'Signed 32-bit integer',
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'FT_INT64', 'Signed 64-bit integer',
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'FT_FLOAT', 'Single-precision floating point',
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'FT_DOUBLE', 'Double-precision floating point',
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'FT_ABSOLUTE_TIME', 'Date/Time stamp',
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'FT_RELATIVE_TIME', 'Time duration',
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'FT_STRING', 'String',
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'FT_STRINGZ', 'NULL terminated string',
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'FT_EBCDIC', 'EBCDIC string',
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'FT_UINT_STRING', 'Length string pair',
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'FT_ETHER', '6-byte Hardware (MAC) Address',
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'FT_BYTES', 'Byte array',
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'FT_UINT_BYTES', 'Length byte array pair',
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'FT_IPv4', 'IPv4 address',
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'FT_IPv6', 'IPv6 address',
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'FT_IPXNET', 'IPX network or server name',
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'FT_FRAMENUM', 'Frame number',
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'FT_PCRE', 'Perl Compatible Regular Expression',
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'FT_GUID', 'Globally Unique Identifier',
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'FT_OID', 'Object Identifier',
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'FT_REL_OID', 'Relative Object Identifier',
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);
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getopts('e');
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if ($opt_e) {
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$proto_abbrev{'Unable to generate filter documentation'} =
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'Please refer to http://www.wireshark.org/docs/dfref/';
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printf STDERR "Creating empty filter list.\n";
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} else {
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# Read all the data into memory
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while (<STDIN>) {
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next unless (/^([PF])/);
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$record_type = $1;
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# Strip the line from its line-end sequence
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# chomp($_) won't work on Win32/CygWin as it leaves the '\r' character.
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$_ =~ s/[\r\n]//g;
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# Store protocol information
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if ($record_type eq 'P') {
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($junk, $name, $abbrev) = split(/\t+/, $_);
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$proto_abbrev{$name} = $abbrev;
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}
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# Store header field information
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else {
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($junk, $name, $abbrev, $type, $parent, $blurb) =
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split(/\t+/, $_);
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push(@{$field_abbrev{$parent}}, $abbrev);
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$field_info{$abbrev} = [ $name, $type, $blurb ];
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}
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}
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}
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# if there was no input on stdin, bail out
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if ($record_type ne 'P' and $record_type ne 'F' and !defined($opt_e)) {
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exit;
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}
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$template = shift(@ARGV);
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open(TEMPLATE, $template) || die "Can't open $template for reading: $!\n";
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while (<TEMPLATE>) {
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if (/=insert_dfilter_table/) {
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&create_dfilter_table;
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}
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else {
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print;
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}
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}
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close(TEMPLATE) || die "Can't close $template: $!\n";
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sub create_dfilter_table {
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# Print each protocol
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for $proto_name (sort keys %proto_abbrev) {
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print "=head2 $proto_name ($proto_abbrev{$proto_name})\n\n";
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# If this proto has children fields, print those
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if ($field_abbrev{$proto_abbrev{$proto_name}}) {
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for $field_abbrev (sort @{$field_abbrev{$proto_abbrev{$proto_name}}}) {
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print " $field_abbrev ", $field_info{$field_abbrev}[0],"\n",
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" ", $ftenum_names{$field_info{$field_abbrev}[1]},
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"\n";
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print " ", $field_info{$field_abbrev}[2], "\n"
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if $field_info{$field_abbrev}[2];
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print "\n";
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}
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}
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}
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}
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