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#! /usr/bin/env perl
# Copyright 1998-2021 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 strict;
use FindBin;
use lib "$FindBin::Bin/../../util/perl";
use OpenSSL::copyright;
my %xref_tbl;
my %oid_tbl;
my ($mac_file, $xref_file) = @ARGV;
# The year the output file is generated.
my $YEAR = OpenSSL::copyright::latest(($0, $mac_file, $xref_file));
open(IN, $mac_file) || die "Can't open $mac_file, $!\n";
# Read in OID nid values for a lookup table.
while (<IN>)
{
s|\R$||; # Better chomp
my ($name, $num) = /^(\S+)\s+(\S+)$/;
$oid_tbl{$name} = $num;
}
close IN;
open(IN, $xref_file) || die "Can't open $xref_file, $!\n";
my $ln = 1;
while (<IN>)
{
s|\R$||; # Better chomp
s/#.*$//;
next if (/^\S*$/);
my ($xr, $p1, $p2) = /^(\S+)\s+(\S+)\s+(\S+)/;
check_oid($xr);
check_oid($p1);
check_oid($p2);
$xref_tbl{$xr} = [$p1, $p2, $ln];
}
my @xrkeys = keys %xref_tbl;
my @srt1 = sort { $oid_tbl{$a} <=> $oid_tbl{$b}} @xrkeys;
my $i;
for($i = 0; $i <= $#srt1; $i++)
{
$xref_tbl{$srt1[$i]}[2] = $i;
}
my @srt2 = sort
{
my$ap1 = $oid_tbl{$xref_tbl{$a}[0]};
my$bp1 = $oid_tbl{$xref_tbl{$b}[0]};
return $ap1 - $bp1 if ($ap1 != $bp1);
my$ap2 = $oid_tbl{$xref_tbl{$a}[1]};
my$bp2 = $oid_tbl{$xref_tbl{$b}[1]};
return $ap2 - $bp2;
} @xrkeys;
my $pname = $0;
$pname =~ s|.*/||;
print <<EOF;
/*
* WARNING: do not edit!
* Generated by $pname
*
* Copyright 1998-$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
*/
typedef struct {
int sign_id;
int hash_id;
int pkey_id;
} nid_triple;
DEFINE_STACK_OF(nid_triple)
static const nid_triple sigoid_srt[] = {
EOF
foreach (@srt1)
{
my $xr = $_;
my ($p1, $p2) = @{$xref_tbl{$_}};
my $o1 = " {NID_$xr, NID_$p1,";
my $o2 = "NID_$p2},";
if (length("$o1 $o2") < 78)
{
print "$o1 $o2\n";
}
else
{
print "$o1\n $o2\n";
}
}
print "};";
print <<EOF;
static const nid_triple *const sigoid_srt_xref[] = {
EOF
foreach (@srt2)
{
my ($p1, $p2, $x) = @{$xref_tbl{$_}};
# If digest or signature algorithm is "undef" then the algorithm
# needs special handling and is excluded from the cross reference table.
next if $p1 eq "undef" || $p2 eq "undef";
print " \&sigoid_srt\[$x\],\n";
}
print "};\n";
sub check_oid
{
my ($chk) = @_;
if (!exists $oid_tbl{$chk})
{
die "Can't find \"$chk\"\n";
}
}
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