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#!/usr/bin/perl -W
###################################################
# package to parse ASN.1 files and generate code for
# LDAP functions in Samba
# Copyright tridge@samba.org 2002-2003
# Copyright metze@samba.org 2004
# released under the GNU GPL
use strict;
use FindBin qw($RealBin);
use lib "$RealBin";
use lib "$RealBin/lib";
use Getopt::Long;
use File::Basename;
use asn1;
use util;
my($opt_help) = 0;
my($opt_parse) = 0;
my($opt_dump) = 0;
my($opt_keep) = 0;
my($opt_output);
my $asn1_parser = new asn1;
#####################################################################
# parse an ASN.1 file returning a structure containing all the data
sub ASN1Parse($)
{
my $filename = shift;
my $asn1 = $asn1_parser->parse_asn1($filename);
util::CleanData($asn1);
return $asn1;
}
#########################################
# display help text
sub ShowHelp()
{
print "
perl ASN.1 parser and code generator
Copyright (C) tridge\@samba.org
Copyright (C) metze\@samba.org
Usage: pasn1.pl [options] <asn1file>
Options:
--help this help page
--output OUTNAME put output in OUTNAME.*
--parse parse a asn1 file to a .pasn1 file
--dump dump a pasn1 file back to asn1
--parser create a C parser
--keep keep the .pasn1 file
\n";
exit(0);
}
# main program
GetOptions (
'help|h|?' => \$opt_help,
'output=s' => \$opt_output,
'parse' => \$opt_parse,
'dump' => \$opt_dump,
'keep' => \$opt_keep
);
if ($opt_help) {
ShowHelp();
exit(0);
}
sub process_file($)
{
my $asn1_file = shift;
my $output;
my $pasn1;
my $basename = basename($asn1_file, ".asn1");
if (!defined($opt_output)) {
$output = $asn1_file;
} else {
$output = $opt_output . $basename;
}
my($pasn1_file) = util::ChangeExtension($output, ".pasn1");
print "Compiling $asn1_file\n";
if ($opt_parse) {
$pasn1 = ASN1Parse($asn1_file);
defined $pasn1 || die "Failed to parse $asn1_file";
#ASN1Validator::Validate($pasn1);
if ($opt_keep && !util::SaveStructure($pasn1_file, $pasn1)) {
die "Failed to save $pasn1_file\n";
}
} else {
$pasn1 = util::LoadStructure($pasn1_file);
defined $pasn1 || die "Failed to load $pasn1_file - maybe you need --parse\n";
}
if ($opt_dump) {
print ASN1Dump::Dump($pasn1);
}
}
foreach my $filename (@ARGV) {
process_file($filename);
}
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