source: vbox/trunk/src/libs/openssl-3.1.3/crypto/objects/objects.pl@ 101211

#! /usr/bin/env perl
# Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License").  You may not use
# this file except in compliance with the License.  You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html

use Getopt::Std;
use FindBin;
use lib "$FindBin::Bin/../../util/perl";
use OpenSSL::copyright;

our($opt_n);
getopts('n');

# The year the output file is generated.
my $YEAR = OpenSSL::copyright::latest(($0, $ARGV[1], $ARGV[0]));

open (NUMIN,"$ARGV[1]") || die "Can't open number file $ARGV[1]";
$max_nid=0;
$o=0;
while(<NUMIN>)
        {
        s|\R$||;
        $o++;
        s/#.*$//;
        next if /^\s*$/;
        $_ = 'X'.$_;
        ($Cname,$mynum) = split;
        $Cname =~ s/^X//;
        if (defined($nidn{$mynum}))
                { die "$ARGV[1]:$o:There's already an object with NID ",$mynum," on line ",$order{$mynum},"\n"; }
        if (defined($nid{$Cname}))
                { die "$ARGV[1]:$o:There's already an object with name ",$Cname," on line ",$order{$nid{$Cname}},"\n"; }
        $nid{$Cname} = $mynum;
        $nidn{$mynum} = $Cname;
        $order{$mynum} = $o;
        $max_nid = $mynum if $mynum > $max_nid;
        }
close NUMIN;

open (IN,"$ARGV[0]") || die "Can't open input file $ARGV[0]";
$Cname="";
$o=0;
while (<IN>)
        {
        s|\R$||;
        $o++;
        if (/^!module\s+(.*)$/)
                {
                $module = $1."-";
                $module =~ s/\./_/g;
                $module =~ s/-/_/g;
                }
        if (/^!global$/)
                { $module = ""; }
        if (/^!Cname\s+(.*)$/)
                { $Cname = $1; }
        if (/^!Alias\s+(.+?)\s+(.*)$/)
                {
                $Cname = $module.$1;
                $myoid = $2;
                $myoid = &process_oid($myoid);
                $Cname =~ s/-/_/g;
                $ordern{$o} = $Cname;
                $order{$Cname} = $o;
                $obj{$Cname} = $myoid;
                $_ = "";
                $Cname = "";
                }
        s/!.*$//;
        s/#.*$//;
        next if /^\s*$/;
        ($myoid,$mysn,$myln) = split ':';
        $mysn =~ s/^\s*//;
        $mysn =~ s/\s*$//;
        $myln =~ s/^\s*//;
        $myln =~ s/\s*$//;
        $myoid =~ s/^\s*//;
        $myoid =~ s/\s*$//;
        if ($myoid ne "")
                {
                $myoid = &process_oid($myoid);
                }

        if ($Cname eq "" && ($myln =~ /^[_A-Za-z][\w.-]*$/ ))
                {
                $Cname = $myln;
                $Cname =~ s/\./_/g;
                $Cname =~ s/-/_/g;
                if ($Cname ne "" && defined($ln{$module.$Cname}))
                        { die "objects.txt:$o:There's already an object with long name ",$ln{$module.$Cname}," on line ",$order{$module.$Cname},"\n"; }
                }
        if ($Cname eq "")
                {
                $Cname = $mysn;
                $Cname =~ s/-/_/g;
                if ($Cname ne "" && defined($sn{$module.$Cname}))
                        { die "objects.txt:$o:There's already an object with short name ",$sn{$module.$Cname}," on line ",$order{$module.$Cname},"\n"; }
                }
        if ($Cname eq "")
                {
                $Cname = $myln;
                $Cname =~ s/-/_/g;
                $Cname =~ s/\./_/g;
                $Cname =~ s/ /_/g;
                if ($Cname ne "" && defined($ln{$module.$Cname}))
                        { die "objects.txt:$o:There's already an object with long name ",$ln{$module.$Cname}," on line ",$order{$module.$Cname},"\n"; }
                }
        $Cname =~ s/\./_/g;
        $Cname =~ s/-/_/g;
        $Cname = $module.$Cname;
        $ordern{$o} = $Cname;
        $order{$Cname} = $o;
        $sn{$Cname} = $mysn;
        $ln{$Cname} = $myln;
        $obj{$Cname} = $myoid;
        if (!defined($nid{$Cname}))
                {
                $max_nid++;
                $nid{$Cname} = $max_nid;
                $nidn{$max_nid} = $Cname;
print STDERR "Added OID $Cname\n";
                }
        $Cname="";
        }
close IN;

if ( $opt_n ) {
    foreach (sort { $a <=> $b } keys %nidn)
            {
            print $nidn{$_},"\t\t",$_,"\n";
            }
    exit;
}

print <<"EOF";
/*
 * WARNING: do not edit!
 * Generated by crypto/objects/objects.pl
 *
 * Copyright 2000-$YEAR The OpenSSL Project Authors. All Rights Reserved.
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef OPENSSL_OBJ_MAC_H
# define OPENSSL_OBJ_MAC_H
# pragma once

#define SN_undef                        "UNDEF"
#define LN_undef                        "undefined"
#define NID_undef                       0
#define OBJ_undef                       0L
EOF

sub expand
        {
        my $string = shift;

        1 while $string =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e;

        return $string;
        }

foreach (sort { $a <=> $b } keys %ordern)
        {
        $Cname=$ordern{$_};
        print "\n";
        print expand("#define SN_$Cname\t\t\"$sn{$Cname}\"\n") if $sn{$Cname} ne "";
        print expand("#define LN_$Cname\t\t\"$ln{$Cname}\"\n") if $ln{$Cname} ne "";
        print expand("#define NID_$Cname\t\t$nid{$Cname}\n") if $nid{$Cname} ne "";
        print expand("#define OBJ_$Cname\t\t$obj{$Cname}\n") if $obj{$Cname} ne "";
        }

print <<EOF;

#endif /* OPENSSL_OBJ_MAC_H */
EOF

sub process_oid
        {
        local($oid)=@_;
        local(@a,$oid_pref);

        @a = split(/\s+/,$myoid);
        $pref_oid = "";
        $pref_sep = "";
        if (!($a[0] =~ /^[0-9]+$/))
                {
                $a[0] =~ s/-/_/g;
                if (!defined($obj{$a[0]}))
                        { die "$ARGV[0]:$o:Undefined identifier ",$a[0],"\n"; }
                $pref_oid = "OBJ_" . $a[0];
                $pref_sep = ",";
                shift @a;
                }
        $oids = join('L,',@a) . "L";
        if ($oids ne "L")
                {
                $oids = $pref_oid . $pref_sep . $oids;
                }
        else
                {
                $oids = $pref_oid;
                }
        return($oids);
        }