openssl/crypto/objects/objxref.pl

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1.3 KiB
Perl
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#!/usr/local/bin/perl
open IN, "obj_mac.num";
# Read in OID nid values for a lookup table.
while (<IN>)
{
chomp;
my ($name, $num) = /^(\S+)\s+(\S+)$/;
$oid_tbl{$name} = $num;
}
close IN;
open IN, "obj_xref.txt";
my $ln = 1;
while (<IN>)
{
chomp;
s/#.*$//;
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;
for(my $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;
print <<EOF;
typedef int nid_triple[3];
static const nid_triple sigoid_srt[] =
{
EOF
foreach (@srt1)
{
my $xr = $_;
my ($p1, $p2) = @{$xref_tbl{$_}};
print "\t{NID_$xr, NID_$p1, NID_$p2},\n";
}
print "\t};";
print <<EOF;
static const nid_triple * const sigoid_srt_xref[] =
{
EOF
foreach (@srt2)
{
my $x = $xref_tbl{$_}[2];
print "\t\&sigoid_srt\[$x\],\n";
}
print "\t};\n\n";
sub check_oid
{
my ($chk) = @_;
if (!exists $oid_tbl{$chk})
{
die "Not Found \"$chk\"\n";
}
}